Linux System Administrator - Senior

Nova Co. - Boston, MA

Full-time - Mid Level

Boston, MA

Specialty Trade Contractors

About the position

The Senior Linux System Administrator will be responsible for administering various Linux operating systems, managing both physical and virtual environments, and providing technical oversight and consultation services. This role requires expertise in secure remote access utilities, system performance monitoring, and compliance with DoD specifications. The position also involves on-call support, proactive monitoring, and managing AWS environments, ensuring optimal performance and security compliance.

Responsibilities

• Administer Linux OSs running on multiple flavors/versions.
• Manage and maintain currently supported and subsequent Linux OS on physical and virtual OEs.
• Install, configure, administer, and support secure remote access utilities and applications.
• Troubleshoot Linux OEs and associated components such as the OS, file system, and hardware issues.
• Configure and sustain OEs aligning with DoD-provided requirements/engineering specifications.
• Provide 8x5 and on-call support to resolve OE and/or application outages and performance degradations.
• Proactively monitor OEs using enterprise systems management toolsets.
• Monitor system performance to identify and correct performance issues.
• Manage clustering at the OS level, leveraging clustering software and packages.
• Monitor, manage, administer and troubleshoot Amazon Web Services (AWS).
• Perform Kernel and File System tuning for optimum performance.
• Utilize shell and utility scripting to optimize and automate system administration tasks.
• Provide technical support for DR efforts and maintain DR documentation.
• Perform hardware and software technology refreshes, ensuring compliance with timelines.
• Manage all tickets in accordance with DoD policies and any MP SLAs.
• Attend meetings, participate in conference calls, and respond to email/ticket requests.
• Perform backup/recovery functions for Linux OEs.
• Provide reports on backup compliance, security compliance, and incident management.

Requirements

• Active Secret Clearance with ability to obtain Top Secret - T5/T5R.
• Minimum of 5+ years relevant Linux System Administration experience.
• At least ONE of the IAT level I certifications (A+ CE, CCNA-Security, CND, Network+ CE or SSCP).

Nice-to-haves

• Experience with virtualization technologies such as HyperVisor and VMWare.
• Familiarity with Netbackup and Nagios for system monitoring.
• Knowledge of scripting languages such as PERL, BASH, and Python.

Benefits

• Remote work flexibility
• Professional development opportunities
• Health insurance coverage
• 401k retirement plan