Senior Security Engineer Come work at a place where innovation and teamwork come together to support the most exciting missions in the world!

The Cyber Fusion

Center (CFC) is seeking a highly motivated Senior Security Engineer to join our Infrastructure Security team. This role is ideal for an experienced Linux Infrastructure Engineer with a strong foundation in Linux administration, automation, and production operations, along with exposure to enterprise security technologies. The selected candidate will play a key role in managing and securing the critical infrastructure that protects the Qualys platform while developing expertise in Identity &

- Access Management (IAM), Public Key Infrastructure (PKI), Privileged Access Management (PAM), Secrets Management, and Secure Access platforms.

Key Responsibilities 1.

Linux Infrastructure Administration

Administer, maintain, and troubleshoot Linux servers across production and non-production environments. Perform operating system installation, configuration, upgrades, patching, and lifecycle management. Monitor system health, availability, performance, and capacity.

Perform

Linux OS hardening using industry best practices and security benchmarks. Manage users, groups, permissions, storage, networking, services, and system resources. Perform vulnerability remediation and security patch management. Support high availability, disaster recovery, and infrastructure resiliency initiatives. Create and maintain technical documentation and operational runbooks. 2.

Security Infrastructure Administration

Assist in managing and maintaining enterprise Identity and Access Management (IAM) platforms. Support LDAP/LDAPS infrastructure and enterprise authentication services. Learn, administer, and maintain ForgeRock/Ping Identity solutions. Support enterprise Public Key Infrastructure (PKI) including certificate lifecycle management. Assist with certificate issuance, renewal, revocation, and automation.

Support Privileged Access





Management (PAM) solutions and privileged account lifecycle management. Assist in managing Secrets Management platforms and secure credential storage. Support secure remote access infrastructure such as Teleport. Participate in infrastructure upgrades, migrations, and platform lifecycle management.

- Automation &
- Infrastructure as Code Develop automation using Bash, Python, or PowerShell scripting. Build and maintain automation using Ansible, Terraform, Puppet, or similar tools. Automate infrastructure provisioning, configuration management, and operational activities. Contribute to Infrastructure as Code (IaC) repositories and CI/CD pipelines. Continuously improve operational efficiency through automation. 4.

Security

Operations &

- Incident Management Participate in 24x7 on-call support rotation for critical security infrastructure. Troubleshoot production incidents and restore services within defined SLAs.

Perform Root Cause

Analysis (RCA) and implement preventive measures. Collaborate with Engineering, Operations and other stakeholders during incident response. Drive operational excellence through continuous service improvements. 5.

Security

Compliance &

- Best Practices Implement and maintain infrastructure security best practices. Support vulnerability remediation across managed infrastructure. Assist with internal and external security audits. Ensure infrastructure complies with organizational security standards and regulatory requirements. Maintain operational procedures, architecture documentation, and standard operating procedures.





Required Qualifications Bachelor's degree in Computer Science, Information Technology, Information Security, Engineering, or equivalent practical experience. 3–5 years of hands-on Linux administration experience supporting enterprise production environments. Strong experience with Linux distributions such as Red Hat Enterprise Linux (RHEL), Oracle Linux, Ubuntu, or CentOS . Robust understanding of Linux administration including: User and group management Filesystem administration Storage management (LVM) System services (systemd) Networking Performance tuning SSH SELinux Security hardening Patch management Good understanding of TCP/IP networking, DNS, SSL/TLS, SSH, firewalls, and load balancing.

Experience with virtualization platforms such as VMware. Hands-on scripting experience using Bash and/or Python.

Experience with automation tools such as Ansible, Terraform, Puppet, or Jenkins. Strong troubleshooting and analytical skills. Excellent verbal and written communication skills. Ability to work independently and in a collaborative team environment. Willingness to participate in a 24x7 on-call support rotation.

Preferred

Certifications RHCSA / RHCE CompTIA Security CISSP Linux AWS / OCI / Azure Cloud Certifications HashiCorp Vault Associate Ping Identity or ForgeRock Certifications What You'll Gain Hands-on experience managing enterprise Identity &

- Access Management (IAM), Public Key Infrastructure (PKI), Privileged Access Management (PAM), Secrets Management, and Secure Access platforms. Exposure to enterprise scale security infrastructure supporting a global SaaS platform. Opportunities to work with cloud native security technologies and automation. A collaborative environment focused on innovation, operational excellence, and continuous learning. Career growth into a specialized Infrastructure Security Engineer within the Cyber Fusion Center.

Experience Level Senior Level

📌 Senior Cybersecurity Analyst (Pune)
🏢 QUALYS SECURITY TECHSERVICES PRIVATE
📍 Pune