Information security engineer

Role Overview

We are looking for an experienced Network Security Engineer to design, implement, maintain, and secure enterprise network infrastructure. The role requires a strong understanding of network security principles, hands-on experience with security technologies, and the ability to troubleshoot complex network and security issues.

The ideal candidate will work closely with network, infrastructure, cloud, application, and security teams to ensure secure, resilient, and highly available network environments. The candidate should be comfortable handling security incidents, performing root-cause analysis, implementing security controls, and contributing to continuous improvement of the organization's network security posture.

Key Responsibilities

• Design, implement, configure, and maintain enterprise network security infrastructure.
• Manage and support network security technologies including firewalls, VPNs, IDS/IPS, secure gateways, and network access controls.
• Configure and maintain security policies, access rules, NAT, VPN tunnels, and related network security controls.
• Monitor network traffic and security events to identify potential threats, anomalies, and unauthorized access.
• Troubleshoot complex network connectivity and security-related issues and perform root-cause analysis.
• Investigate and respond to network security incidents in coordination with security and infrastructure teams.
• Review firewall and network security rules regularly and ensure they follow established security standards and business requirements.
• Support secure connectivity across data centers, corporate networks, remote locations, cloud environments, and third-party networks.
• Participate in network security assessments, vulnerability remediation, and security hardening activities.
• Implement and maintain network segmentation and access-control mechanisms.
• Work with internal teams to assess security requirements for new applications, infrastructure, and network changes.
• Participate in change management, implementation, and post-change validation activities.
• Maintain network security documentation, architecture diagrams, configurations, and operational procedures.
• Contribute to security improvement initiatives, automation, standardization, and operational efficiency.
• Work with vendors and technology partners for issue resolution, upgrades, and technical escalations.
• Ensure network security operations align with organizational policies, industry standards, and compliance requirements.

Required Skills

• Strong experience in network security engineering and enterprise networking.
• Good understanding of TCP/IP, DNS, DHCP, HTTP/HTTPS, routing, switching, VLANs, and network protocols.
• Hands-on experience with enterprise firewalls and security gateways.
• Strong understanding of VPN technologies, IPsec, SSL/TLS, NAT, and access-control policies.
• Experience with IDS/IPS, network monitoring, traffic analysis, and security event investigation.
• Experience troubleshooting network and security issues across complex environments.
• Good understanding of network security architecture, segmentation, and secure connectivity.
• Experience with incident management, change management, and root-cause analysis.
• Familiarity with security best practices, vulnerability management, and network hardening.
• Strong analytical, troubleshooting, and problem-solving skills.
• Good written and verbal communication skills with the ability to work effectively with technical and non-technical stakeholders.

Preferred Skills

• Experience with security technologies from vendors such as Palo Alto, Fortinet, Cisco, Check Point, or similar.
• Exposure to cloud networking and cloud security across AWS, Azure, or GCP.
• Knowledge of Zero Trust, SASE, SD-WAN, or network access control concepts.
• Experience with security monitoring/SIEM platforms.
• Exposure to scripting or automation using Python, PowerShell, or similar technologies.
• Relevant certifications such as CCNA/CCNP Security, PCNSE, Fortinet certifications, or equivalent are an advantage.

Key Competencies

• Network Security Engineering
• Enterprise Network Troubleshooting
• Firewall & VPN Management
• Security Incident Handling
• Network Monitoring & Analysis
• Security Hardening
• Root-Cause Analysis
• Risk & Vulnerability Awareness
• Change & Configuration Management
• Stakeholder Communication
• Problem Solving
• Documentation & Process Discipline

About Us

CLOUDSUFI is a Silicon Valley-based specialist Data Engineering & Cloud Technologies player with top-tier clients, favorable revenue mix, strong financial performance, and robust management. We pride ourselves in helping in the Data Discovery, Insights and Monetization for organizations. We offer quality of work, opportunities to learn new platforms/technologies that will help young engineers put themselves ahead in their careers compared to their peers in the IT Services industry. CLOUDSUFI is a Data Science and Product Engineering company building Products/Solutions for Technology and Enterprise industries leveraging the advent of Cloud Hyper Scalers and AI/ML, NLP technologies.

The organization is built to scale with strong external/ internal tech capabilities and governance standards. Started in 2019, CLOUDUSUFI is a family of 250 members working towards a common goal of making the enterprise data dance.

To know more, please visit https://cloudsufi.com

Our Values

We are a passionate and empathetic team that prioritizes human values. Our purpose is to elevate the quality of lives for our family, customers, partners and the community.

Equal Opportunity Statement

CLOUDSUFI is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All qualified candidates receive consideration for employment without regard to race, colour, religion, gender, gender identity or expression, sexual orientation and national origin status. We provide equal opportunities in employment, advancement, and all other areas of our workplace. Please explore more at https://www.cloudsufi.com/

Role : Full-Time Individual Contributor (IC)

Reporting to : Solution Architect / Program Manager

Location : India Remote (Quarterly visits to Noida office)

Shift : 2PM-11PM IST

12x5 (On call duty)

Experience : 8-14 Years

ABOUT YOU

• 5+ years’ experience with AWS orchestration via Terraform script
• 5+ years’ experience with CloudWatch/CloudTrail/Guard Duty
• 5+ years’ experience with AWS WAF
• 4+ years’ experience with CloudFlare
• 3+ years’ experience with DataDog
• Experience with PagerDuty
• Ability to make nuanced threat assessments
• Experience in SOPHOS.
• Significant experience with PCI, SOC2, SOX, HIPAA, or other compliance regimes
• Experience in Infrastructure As Code – Ansible / Terraform/ CloudFormation
• Hands-on experience implementing various security tools in CI/CD pipeline
• Strong experience with any cloud service provider (AWS Preferred)
• Implement and oversee technological upgrades, improvements and major changes to the cloud security environment.
• Develop solutions, install/configure/integrate IT tools and security processes within an application or organization to help improve the overall IT security posture.
• Set up Static and Dynamic Code Analysis tools, review the results and explain any gaps and potential impact to the teams (development and operations).
• Penetration testing and container security.
• Evaluate and analyze threat, vulnerability, impact and risk to security issues discovered from security assessments.
• Assess current technology architecture for vulnerabilities, weaknesses and for possible upgrades or improvement
• Creating and managing security strategies
• Oversee information security audits, whether performed by organization or third-party personnel
• Develop, maintain and publish up-to-date information security policies, standards and guidelines.
• Preferred Certification - AWS Security/CISSP/CISM (Certified Information Security Manager)

ABOUT THE ROLE

• Work independently with vendors and collaborate with colleagues
• Experience negotiating remediation timelines and/or remediate found issues independently
• Ability to implement vendor platforms within CI/CD pipelines
• Experience managing/responding to incidents, collecting evidence, and making decisions.
• Working with vendors and HM Teams to deploy criteria within WAF and fine tuning it according to applications’ needs
• Multitasking and continuous ability to provide a high level of concentration for assigned projects.
• Good working knowledge of AWS security in general and familiarity of the AWS native security tools
• The candidate should be experienced and articulate, who is not going to get discouraged, despite meeting roadblocks, and will continue promoting security within the company.
• Ability to create DevSecOps security requirements while working on a project
• Ability to articulate security requirements during the Architecture meetings and working hand in hand with HM Applications and DevOps Principal Engineers

This role will be permanent with NAM info and deploy to client location Chennai.

Work Mode: WORK FROM OFFICE

Offer salary can offer on a decent hike

Role Descriptions:

Exp Range: 6-10 years

Primary Competency : Terraform, Hashi Sentinel (IaC/PaC), Kubernetes (GKE/EKS)

City Locations: Bengaluru or Chennai

Key Responsibilities*

Experience Required: 6-10

Role Descriptions:

Security Monitoring & Incident Response

Investigate and analyze security alerts escalated by L1 SOC analysts.

Perform triage, containment, eradication, and recovery activities for security incidents.

1. Perform in-depth analysis of security alerts escalated from L1

2. Investigate suspicious activities using SIEM, EDR, and threat intelligence tools

3. Correlate events across multiple log sources (firewalls, endpoints, IAM, cloud logs)

4. Validate true positives and recommend reducing false positives

5. Lead triage and response for medium to high severity incidents

6. Coordinate with IT, network, and application teams during incidents and support deep investigations when required

7. Conduct proactive threat hunting based on TTPs (e.g., MITRE ATT&CK)

8. Fine-tuning and optimize SIEM use cases to reduce false positives

9. Develop new correlation rules and detection logic

10. Document incidents, findings, and response actions

11. Prepare weekly , monthly reports for SOC leadership and stakeholders

Desire candidate

• Candidate should have valid PF.