Windows Site Reliability Engineer at Zacks Research Pvt Ltd · Kolkata · 8 - 10 years · ₹8L - ₹10L / yr · Profitable · Posted 6 Jun 2023

Position: Windows SRE
Responsibilities:
- Windows Site Reliability Engineer with experience in managing large websites where Millions of customers hit
- Manage and monitor all installed systems and infrastructure
- Install, configure, test and maintain operating systems, application software and system management tools
- Among your responsibilities will be the installation and configuration of storage, servers, Microsoft servers (Cluster Services, File Services, Active Directory Services, Certificate Authority services), Virtual Infrastructure (Hyper-V), IIS, MS SQL and backup system
- Proactively ensure the highest levels of systems and infrastructure availability
- Monitor and test application performance for potential bottlenecks, identify possible solutions, and work with developers to implement those fixes
- Maintain security, backup, and redundancy strategies
- Write and maintain custom scripts to increase system efficiency and lower the human intervention time on any tasks
- Participate in the design of information and operational support systems
- Provide 2nd and 3rd level support
- Liaise and collaborate with vendors and Zacks personnel for problem resolution, decision making, knowledge sharing
Requirements:
- Minimum 5+ years of Windows support experience, 7, 8, 10, and Microsoft Server (all)
- Windows server expertise
- Familiar with WAN/LAN technologies
- Understanding of the OSI model
- Virtualization - MS Hyper-V, VMware, vSan
- Strong understanding of Internet protocols including HTTP(S), SSL, TCP, IP
- MS IIS administration and configuration
- MS Active Directory
- MS Storage Space
- DNS and DHCP
- SSL certificates and PKI
- Familiar with the ITIL framework
- Strong PowerShell experience
- Information Security experience a plus Other Qualifications
- Excellent attention to detail
Experience: 8-10 years

Similar jobs (10)
Key Responsibilities
Platform Monitoring and Reliability
- Monitor the health and performance of EDM’s advertiser, publisher, broker, and internal platforms.
- Maintain monitoring, alerting, logging, and system-health dashboards.
- Investigate platform outages, degraded performance, failed transactions, delayed data, and integration errors.
- Respond to production incidents and coordinate resolutions with the appropriate engineers and vendors.
- Perform root-cause analysis and document corrective and preventive actions.
- Help maintain defined uptime, response-time, recovery-time, and system-reliability targets.
- Identify recurring problems and recommend permanent solutions.
Cloud Infrastructure and Systems Operations
- Maintain and support cloud infrastructure, servers, databases, networks, storage, and production environments.
- Support development, staging, and production environments.
- Assist with infrastructure scaling, system upgrades, patching, backups, and disaster recovery.
- Monitor cloud usage and help control infrastructure and technology costs.
- Maintain access controls, service accounts, certificates, domain configurations, and environment variables.
- Ensure production systems are properly documented and recoverable.
Deployment and Release Support
- Support safe and consistent application deployments.
- Maintain or improve continuous integration and deployment workflows.
- Coordinate release schedules, deployment validation, rollback procedures, and post-release monitoring.
- Help engineering teams identify configuration or infrastructure problems before releases reach production.
- Maintain deployment documentation, technical checklists, and change logs.
- Reduce manual deployment work through automation.
API and Integration Support
- Monitor and troubleshoot third-party APIs, webhooks, postbacks, dialer connections, CRM integrations, payment systems, tracking platforms, and compliance services.
- Investigate failed lead deliveries, missing postbacks, duplicate records, delayed reporting, and authentication problems.
- Support ping-post, real-time bidding, call-routing, SIP, and data-transfer workflows.
- Work with advertisers, publishers, and vendors to diagnose technical integration problems.
- Create clear documentation for common integration methods and troubleshooting procedures.
- Develop alerts that identify integration failures before clients report them.
Call and Lead Operations
- Monitor call-routing, tracking, recording, attribution, and disposition systems.
- Investigate calls that fail to route, connect, record, track, or report correctly.
- Support number provisioning, routing rules, caps, schedules, geographic restrictions, buyer availability, and failover logic.
- Validate that leads, calls, and transactions are properly attributed to the correct advertiser, publisher, campaign, and payout.
- Assist with discrepancies involving call duration, billable events, conversions, payouts, and reporting.
- Help protect revenue by identifying technical leakage and delivery failures.
Data and Reporting Support
- Monitor data pipelines, scheduled jobs, reporting processes, and database performance.
- Investigate discrepancies between platform reporting, billing records, payment records, and third-party systems.
- Write and maintain database queries for troubleshooting, validation, and operational reporting.
- Assist with data corrections using controlled and documented procedures.
- Support dashboards and operational alerts for revenue, margin, consumption, conversion, and platform activity.
- Maintain appropriate controls around production data access and modification.
Security and Access Management
- Support role-based access controls, multifactor authentication, audit logging, encryption, and secure system configuration.
- Provision and remove employee, contractor, client, and vendor access.
- Monitor suspicious activity and report potential security incidents.
- Assist with vulnerability remediation, security reviews, access audits, and incident-response procedures.
- Protect consumer, advertiser, publisher, employee, and company information.
- Follow company policies for credentials, production access, sensitive data, and change management.
Automation and Process Improvement
- Automate repetitive operational tasks using scripts, workflows, APIs, and infrastructure tools.
- Reduce manual work associated with monitoring, deployments, reporting, reconciliation, onboarding, and support.
- Build internal tools that improve visibility and response times.
- Identify operational bottlenecks that affect revenue, margin, client satisfaction, or employee productivity.
- Maintain clear runbooks and standard operating procedures for recurring technical tasks.
Technical Support and Documentation
- Serve as an escalation point for complex platform and integration issues.
- Translate technical problems into clear explanations for nontechnical teams.
- Create and maintain architecture diagrams, system inventories, runbooks, troubleshooting guides, and incident reports.
- Track incidents and technical requests through completion.
- Document known issues, temporary workarounds, permanent resolutions, and system dependencies.
- Participate in an on-call rotation for urgent production incidents.
First 90-Day Priorities
The successful candidate will be expected to:
- Learn EDM’s platforms, infrastructure, integrations, call-routing systems, reporting processes, and revenue workflows.
- Document critical systems, dependencies, credentials ownership, vendor contacts, and escalation procedures.
- Review existing monitoring, alerting, backups, access controls, and deployment procedures.
- Establish baseline metrics for uptime, incident volume, response time, recovery time, deployment success, and integration failures.
- Resolve high-priority recurring production and integration issues.
- Improve alerting for call-routing failures, API errors, delayed data, failed jobs, and reporting discrepancies.
- Create runbooks for the company’s most common and highest-risk technical incidents.
- Identify at least three meaningful automation or cost-saving opportunities.
- Participate in production support and demonstrate ownership of incidents through resolution.
Performance Expectations
Success will be measured by:
- Platform uptime and reliability
- Mean time to acknowledge and resolve incidents
- Reduction in recurring production problems
- Deployment success and rollback rates
- API, postback, webhook, and call-routing reliability
- Reporting and data accuracy
- Backup and recovery readiness
- Quality of technical documentation
- Security and access-control compliance
- Reduction in manual operational work
- Infrastructure costs relative to platform volume
- Responsiveness to internal teams, clients, and technical partners
Required Qualifications
- Three or more years of experience in operations engineering, DevOps, site reliability engineering, cloud infrastructure, systems administration, or production support.
- Hands-on experience with cloud platforms such as AWS, Azure, or Google Cloud.
- Experience supporting Linux-based production environments.
- Working knowledge of networking, DNS, SSL certificates, firewalls, load balancing, and application security.
- Experience with relational databases and SQL.
- Experience troubleshooting REST APIs, webhooks, authentication, and third-party integrations.
- Familiarity with monitoring, logging, alerting, and incident-management tools.
- Experience with scripting languages such as Python, Bash, JavaScript, or PowerShell.
- Understanding of source control, deployment pipelines, and release management.
- Strong troubleshooting, documentation, and communication skills.
- Ability to prioritize incidents based on business and revenue impact.
- Availability to participate in an on-call rotation.
Preferred Qualifications
- Experience in ad-tech, mar-tech, affiliate marketing, lead generation, pay-per-call, telecommunications, or SaaS.
- Familiarity with SIP, VoIP, dialers, call-tracking platforms, routing systems, and phone-number provisioning.
- Experience with containers, infrastructure as code, and automated deployment tools.
- Experience with Docker, Kubernetes, Terraform, GitHub Actions, or similar technologies.
- Familiarity with payment processing, usage-based billing, reconciliation, and commission systems.
- Experience working with real-time bidding, ping-post, lead distribution, or high-volume transactional systems.
- Understanding of TCPA-related controls, consent records, DNC suppression, data privacy, or regulated marketing environments.
- Experience with security audits, disaster-recovery testing, and compliance documentation.
Ideal Candidate
The ideal candidate:
- Takes ownership instead of waiting for someone else to fix the problem.
- Remains calm and methodical during high-impact incidents.
- Understands the difference between applying a temporary fix and eliminating a root cause.
- Communicates technical problems clearly and directly.
- Recognizes that production reliability is a business and revenue responsibility.
- Automates repetitive work whenever practical.
- Documents systems so the company is not dependent on one person’s memory.
- Protects security and stability without creating unnecessary bureaucracy.
- Is comfortable working in a fast-moving entrepreneurial environment.
- Can manage competing priorities while maintaining attention to detail.
SRE – Network / DNS / Load Balancer
Experience: 7–11 Years
Location: Hyderabad
Work Mode: WFO
Availability: Immediate Joiner
Job Description:
- Strong experience in Site Reliability Engineering (SRE) with focus on infrastructure and application reliability.
- Hands-on experience with Network, DNS and Load Balancer troubleshooting and administration.
- Monitor system performance, availability, latency and infrastructure health.
- Troubleshoot network connectivity, DNS resolution, routing and load-balancing issues.
- Experience with load balancers such as F5, BIG-IP, HAProxy or similar technologies.
- Good understanding of TCP/IP, HTTP/HTTPS, LAN/WAN, SSL/TLS and networking concepts.
- Experience with DNS technologies such as BIND, Infoblox or equivalent.
- Work on incident management, root cause analysis and problem resolution.
- Collaborate with application, network, cloud and infrastructure teams to resolve production issues.
- Experience with monitoring and alerting tools such as Splunk, Grafana, Prometheus, AppDynamics or similar tools.
- Strong troubleshooting, production support and communication skills.
- Willingness to work from Hyderabad office (WFO) and join immediately.
Job Summary
We are looking for an experienced Site Reliability Engineer (SRE) with strong expertise in networking, DNS, load balancing, and hybrid cloud environments. The candidate will be responsible for maintaining the reliability, availability, performance, and scalability of production infrastructure and services.
The ideal candidate should have strong troubleshooting skills and experience working across network, cloud, infrastructure, and application environments.
Key Responsibilities
- Monitor and maintain the availability and reliability of production systems and services.
- Troubleshoot complex network, infrastructure, and application connectivity issues.
- Manage and troubleshoot DNS services, DNS resolution, records, and configuration issues.
- Configure, manage, and troubleshoot Load Balancers and traffic routing.
- Work with Layer 4 and Layer 7 networking and understand TCP/IP, HTTP/HTTPS, routing, and network connectivity.
- Support hybrid cloud environments involving on-premises infrastructure and public cloud platforms.
- Troubleshoot connectivity between on-premises data centers and cloud environments.
- Participate in production incidents, troubleshooting, root cause analysis (RCA), and problem management.
- Develop automation scripts and tools to reduce manual operational activities.
- Configure and maintain monitoring, alerting, and observability solutions.
- Work closely with Network, Cloud, DevOps, Security, and Application teams.
- Participate in on-call support and resolve production issues within defined SLAs.
- Document infrastructure, troubleshooting procedures, incident reports, and operational processes.
- Identify opportunities to improve system reliability, performance, and scalability.
Site reliability engineer - Experience: 8+ Years
Location: Hyderabad / Bangalore
Mandatory Skills: Production Support, SRE, Linux/Unix, AI/ML Infrastructure Knowledge
Site reliability engineer - Experience: 5+ Years
Location: mumbai
Mandatory Skills: SRE (site reliability engineering) , aws cloud , and devops
Job Description – Windows Administrator
Position: Windows Administrator
Experience: 3–5 Years
Location: Bangalore
Work Mode: Work From Office (WFO)
Joining: Immediate
Key Responsibilities:
- Manage and administer Windows Servers.
- Perform physical server patching and upgrades.
- Troubleshoot Windows Server, hardware, and OS-related issues.
- Monitor server performance, availability, and health.
- Perform regular maintenance, updates, and security patches.
- Handle incidents and provide timely production support.
- Coordinate with infrastructure and application teams for issue resolution.
Required Skills:
Windows Server Administration, Physical Server Patching, Troubleshooting, Server Upgrades, Monitoring, and Production Support.
Experience Required: 2–3 Years
Employment Type: Full-time
Location: Delhi
Department: IT / Infrastructure & Data Center Operations
About the Role
We are looking for a skilled Wintel Administrator (L2) with 2–3 years of hands-on experience to manage and support our data center infrastructure, which includes a virtualized VMware environment, physical servers, database servers, and network/security appliances across LAN and DMZ zones. The ideal candidate will handle day-to-day server administration, virtualization management, backups, monitoring, and L2-level troubleshooting, while working closely with the infrastructure team on ongoing projects.
Key Responsibilities
· Manage and maintain Active Directory, File Server, Web Server (IIS, Apache, Nginx), and Application Servers
· Administer and support VMware ESXi hosts and vCenter (multi-host, multi-cluster environment) — VM provisioning, migration, snapshots, and resource allocation
· Manage physical server hardware (Dell PowerEdge, HP ProLiant) including out-of-band management via iDRAC
· Install, configure, troubleshoot, and back up database servers — MS-SQL, MySQL, MongoDB
· Manage server backups and vReplication for disaster recovery of critical VMs and databases
· Support and maintain monitoring tools (e.g., Zabbix) to track server/host performance, uptime, and alerts
· Install and configure new Windows, Linux, and desktop systems
· Install and troubleshoot Windows/Linux applications and software (VB, C#, .NET, Node.js-based apps, etc.)
· Support DMZ and LAN zone server management, coordinating with network/security team on firewall, load balancer, and VPN (Site-to-Site) configurations
· Assist with basic public cloud tasks (AWS) where hybrid/DR connectivity is involved
· Manage and troubleshoot LAN/DMZ switches, WAN links, and connectivity issues at a basic level
· Assist with patch management, deployment, and server/firmware upgrades
· Monitor and maintain server performance, availability, and health across physical and virtual infrastructure
· Respond to and resolve end-user issues escalated from Desktop Support (L1)
· Maintain accurate documentation of server inventory, IP allocations, configurations, and network diagrams
· Work on ongoing IT infrastructure projects as assigned
Required Skills & Qualifications
· B.Tech or equivalent degree in Computer Science, IT, or related field
· Minimum 2–3 years of hands-on experience as a Windows/Wintel Administrator
· Strong working knowledge of Windows Server administration (2012/2016/2019/2022)
· Hands-on experience with VMware ESXi and vCenter administration (multi-vCenter environment preferred)
· Experience with physical server hardware management — Dell PowerEdge / HP ProLiant, iDRAC/ILO remote management
· Hands-on experience with IIS, Apache, or Nginx web server management
· Experience with MySQL, MS-SQL, and MongoDB — installation, configuration, troubleshooting, and backup
· Good understanding of Active Directory, DNS, DHCP, and Group Policy
· Working knowledge of firewall, load balancer, and basic network/VPN concepts (Site-to-Site VPN, WAN, DMZ)
· Experience with server/VM backup and replication solutions for disaster recovery
· Exposure to monitoring tools such as Zabbix or similar
· Basic exposure to cloud platforms (AWS) for hybrid/DR connectivity
· Familiarity with installing and troubleshooting applications like VB, C#, .NET
· Ability to troubleshoot server hardware, OS-level (Windows/Linux), and virtualization issues
· Experience with patch management and firmware/server upgrade cycles
Soft Skills
· Strong troubleshooting and analytical skills
· Good communication skills to coordinate with end users, network team, and cross-functional teams
· Ability to work independently as well as escalate/collaborate with L3 when required
· Willingness to work on-call/rotational shifts if required
· Detail-oriented with a proactive approach to server monitoring, backups, and uptime management
Job Description
We are looking for a Windows Administrator with strong hands-on experience in Windows Server administration, upgrades, patching, vulnerability remediation, and troubleshooting.
Key Responsibilities
- Perform Windows Server administration, upgrades, and patching.
- Plan and execute OS upgrades, security patches, and hotfixes.
- Identify and remediate Windows vulnerabilities and security issues.
- Troubleshoot server, OS, application, and performance-related issues.
- Monitor CPU, memory, disk, services, and overall server health.
- Perform incident management and root-cause analysis.
- Manage Active Directory, DNS, DHCP, and Group Policy.
- Support VMware / Hyper-V virtualized environments.
- Automate administrative and remediation activities using PowerShell.
- Coordinate with security, application, network, and cloud teams.
- Maintain system documentation and ensure compliance with operational standards.
Primary Skills
- Windows Server Administration
- Windows Upgrades & Patching
- Vulnerability Remediation
- Troubleshooting & RCA
- Active Directory
- DNS / DHCP / Group Policy
- PowerShell
- VMware / Hyper-V
Looking for SRE Engineers
Location : Bangalore
Mode of work : Hybrid
Job Description :
- Monitoring and alerting: Watch dashboards and alerts, then triage incidents as they fire.
- Incident response: Act as first responder, follow runbooks, escalate to senior engineers when needed, and communicate status updates.
- On-call rotation: Cover after-hours shifts, usually shadowing a senior engineer at first.
- Troubleshooting: Dig through logs, metrics, and traces to find root causes.
- Ticket handling: Work the support queue, resolve user-reported issues, and route the rest.
- Runbooks and documentation: Write and update procedures so fixes are repeatable.
- Postmortems: Help write blameless incident reviews and track follow-up action items.
- Toil reduction: Script and automate repetitive manual tasks.
- Deployments and changes: Assist with releases, rollbacks, and config changes under change management.
- Basic reliability hygiene: Check backups, certificate expirations, patching, and capacity.
- The analogy: production support is the ER triage nurse, who stabilizes the patient now. The SRE is the doctor who also figures out how to keep that patient from coming back.
Senior System Administrator
Location: Chennai
Experience: 10+ Years
Job Summary
We are looking for a skilled Senior System Administrator to manage and maintain enterprise infrastructure across Windows Server, VMware virtualization, and enterprise storage environments. The role will be responsible for ensuring high availability, performance, security, and reliability of IT infrastructure supporting business operations.
Key Responsibilities
Windows Server Administration
- Install, configure, maintain and troubleshoot Windows Server environments.
- Administer Active Directory, Group Policy, DNS, DHCP and File Services.
- Resolve server-related incidents and access issues.
VMware Administration
- Manage VMware vSphere, ESXi and vCenter environments.
- Perform VM migrations using vMotion.
- Manage snapshots and optimize VM resources.
Storage Administration
- Manage enterprise SAN/NAS storage environments.
- Work with storage platforms such as Dell EMC, NetApp, HPE or equivalent.
- Configure and manage LUNs, RAID, storage allocation and replication.
- Monitor storage performance and capacity.
- Support storage integration with backup environments.
Compliance & IT Operations
- Ensure infrastructure adherence to IT security policies and organizational standards.
- Support internal/external audits and compliance requirements, including ISO/SOX where applicable.
- Maintain infrastructure documentation, configurations and change records.
- Ensure patch compliance and vulnerability remediation.
- Support IT governance and implementation of standard operating procedures.
Required Skills
- Strong hands-on experience in Windows Server Administration.
- Good experience with Active Directory, Group Policy, DNS and DHCP.
- Hands-on experience with VMware vSphere, ESXi and vCenter.
- Practical knowledge of vMotion, VM snapshots and resource management.
- Experience with SAN/NAS storage administration.
- Knowledge of LUN, RAID, storage allocation and replication.
- Experience with infrastructure patching and vulnerability remediation.
- Good troubleshooting and incident-resolution skills.
- Good communication and documentation skills.
- Exposure to Linux administration.
Education & Experience
- Bachelor's degree in Computer Science, Information Technology, Electronics or related field; B.Tech/B.E/BCA/MCA or equivalent preferred.
- 10+ years of relevant infrastructure/system administration experience.
Good to Have
- Microsoft MCSA / MCSE / AZ-800 / AZ-801
- VMware VCP – Data Center Virtualization
- Dell EMC / NetApp / HPE Storage certifications
- ITIL Foundation
Key Technologies
Windows Server | Active Directory | GPO | DNS | DHCP | VMware | ESXi | vCenter | vSphere | vMotion | SAN | NAS | Dell EMC | NetApp | HPE Storage | LUN | RAID | Replication | Linux | Patch Management | Vulnerability Management









