4+ Firewall administration Jobs in Delhi, NCR and Gurgaon | Firewall administration Job openings in Delhi, NCR and Gurgaon
Apply to 4+ Firewall administration Jobs in Delhi, NCR and Gurgaon on CutShort.io. Explore the latest Firewall administration Job opportunities across top companies like Google, Amazon & Adobe.

Position – SRE Engineer
Location – Navi Mumbai
Who are we
Based out of IIT Bombay, HaystackAnalytics is a HealthTech company creating clinical genomics products, which enable diagnostic labs and hospitals to offer accurate and personalized diagnostics. Supported by India's most respected science agencies (DST, BIRAC, DBT), we created and launched a portfolio of products to offer genomics in infectious diseases. Our genomics-based diagnostic solution for Tuberculosis was recognized as one of the top innovations supported by BIRAC in the past 10 years, and was launched by the Prime Minister of India in the BIRAC Showcase event in Delhi, 2022.
About the Role:
We are seeking a highly skilled Site Reliability Engineer (SRE) to join our infrastructure team. The ideal candidate will bring deep expertise in Linux systems, cloud infrastructure automation, and network administration, with a strong focus on reliability, scalability, and performance. ensuring firewall/network security compliance.
Key Responsibilities:
- Develop and maintain automation scripts (Bash, Python, etc.) for system and cloud infrastructure operations.
- Manage, monitor, and troubleshoot Linux servers in production environments
- Familiarity with Network tools in Linus to triage network connectivity and performance issues .
- Configure, maintain, and secure network infrastructure including switches, routers, and firewalls.
- Design and execute Network Continuity Plans (NCP) and disaster recovery strategies.
- Collaborate with cross functional team for triaging and resolving site specific issues in production related to server deployment , SOP adherence , Triage and defect resolution
- Collaborate with developers and DevOps teams to define SLAs, SLOs, and error budgets.
- Implement proactive monitoring and alerting using modern observability tools.
- Participate in on-call rotations and incident response processes.
Objectives of this Role:
- Build, automate, and manage scalable infrastructure and deployment pipelines to support development and production environments.
- Enable rapid, secure, and reliable software delivery across engineering teams.
- Ensure system availability, performance, and security in cloud and containerized environments.
- Implement and enforce best practices in CI/CD, observability, and incident response.
- Collaborate with cross-functional teams including software developers, QA, and product managers.
- Proactively identify and automate manual processes to improve engineering efficiency.
- 3–7 years of experience as an SRE, DevOps, or Systems/Network Engineer.
- Strong scripting skills (e.g., Bash, Python, or Go).
- Proficiency in Linux administration and performance tuning.
- Deep understanding of TCP/IP, routing, DNS, firewalls, and networking protocols.
- Hands-on experience managing network infrastructure and firewall rules (e.g., iptables, pfSense, Palo Alto, etc.).
- Docker (multi-stage builds, docker-compose)
Soft Skills
- Proactive problem-solving and ownership mindset
- Strong documentation and communication skills
- Ability to mentor junior engineers
- Curiosity to learn and experiment with emerging DevOps tools
Preferred Qualifications:
- Certifications such as CKA/CKAD, RHCE, AWS Certified SysOps Administrator, or Cisco CCNA/CCNP.
- Experience with service meshes (e.g., Istio), observability stacks (e.g., Prometheus, Grafana), or network policy management (e.g., Calico, Cilium).
- Exposure to secure DevOps practices and compliance standards (e.g., ISO, NIST).
To know more about us – https://haystackanalytics.in
VLAN, STP and many other switchings configurations.
taking ownership of the technical support for assigned analytical and ability to work under pressure, future job scope involves implementation, troubleshooter in routing switching domain ( L2 and L3)
Purpose of the Role
Responsible for 100% uptime of Network with efficient and timely first support on a 24x7 basis to meet Business Goals; providing the highest level of Technology Support, Introducing and maintaining the state of the art Technology in line with the Business Strategy.
Desired Skills and Competencies
- Ability to Influence
- Customer Sensitivity
- Execution Excellence
- Functional Expertise
- Situation Handling
- Team Management
- Working Together
Role Description:
- Work Experience: Should have work experience in Telco / ISP service Provider background
- Should have experience in Planning and Operations of Broadband network.
- Should Lead a Team and Manage Day to Day NOC Operation.
- Manage Outages in the Network and Provide resolution within SLA; Handle Customer Escalation with Minimal Turnaround time.
- Escalating Issues and Co-ordinating with vendor team on Bug fixes and Resolutions.
- Maintain the Uptime of the network at 100%.
- Should Monitor the Network and planning maintenance activities timely.
- Should work on building redundancy and elimination of Point of Failures.
- Should work on Bandwidth Management and Traffic Load Balancing Mechanism.
- Provide backend support to cross functional teams for new provisioning and Fault Repair.
- Should be available 24*7 for support for responding to emergency situations and planned activities.
- Should be Responsible for Inventory Management.
- Manage and Train NOC team, perform evaluations and hiring, and handle disciplinary responsibilities.
- Prepare and Maintain SOPs of critical Process; perform Process Correction on requirement basis.
- Should analyse fault trends and plan preventive actions.
- Should be Responsible for publishing of daily, weekly, monthly reports and statistics reports.
Technical Requirements:
- Should have Good Knowledge of Switching and Routing.
- Hands-on experience of BGP, MPLS, MPLS L2VPN, MPLS L3VPN, ISIS, OSPF, VLAN, DHCP, PPPoE, STP, LAN, WAN, NAT etc
- Should have worked in Layer-2 and Layer-3 Switches, Edge Routers; preferably on Cisco and Huawei Devices.
- Should have worked on GPON Technology and have understanding of Operation and Troubleshooting skills, hands on experience on installation and implementation of OLTs and ONTs.
- Should have worked on NMS Tools and have understanding of SNMP Protocol.
- Should have understanding of BNG workings principles, RADIUS and Diameter protocols.
- Should have Good understanding of Fiber Technology.
- Should have understanding of Wireless Technologies such as 802.1b/g/n, 802.11ac, should be able to configure WIFI routers and debug issues.
- Must have done BE/B.Tech or equivalent in Computer Engineering/Electronics & Communication Engineering/Electronics & Electrical Engineering
- CCNA/CCNP Certification is Preferred.
Installation, Configuration and Troubleshooting of Network Equipment e.g CCTV Camera, Network Switch, Router, Wi-fi, Server and Desktop computer etc. Willing to travel entire India based on project requirement.