Senior Linux System Administrator – Large-Scale Clusters

CTRL + LLC • Fort Meade, MD

5d • $118 - $130 • Onsite

About The Position

The Senior Linux System Administrator will support and maintain large-scale Linux cluster infrastructure for mission operations, keeping systems secure, fast, and reliable. The role covers compute, network, memory, and storage infrastructure, including software installation, monitoring, troubleshooting, system security, network configuration, VMware ESXi virtualization, and operational automation.

This position is based in Fort Meade, Maryland, and requires regular in-person, on-site work. Applicants must live within commuting distance and currently hold an active TS/SCI clearance with polygraph. Ctrl+ does not sponsor new clearances or upgrades. Call-in operations may be required as needed.

The approximate pay range is $117.98–$130.27 per hour. The employer’s 401(k) contribution is additional. Compensation varies according to qualifications, experience, and the selected compensation model; the models include Max Rate, With Bonus, and With Bonus and PTO.

Requirements

• 15 years of relevant experience with a bachelor’s degree in a technical discipline, or 20 years of relevant experience without a degree.
• Security+ certification.
• Linux command-line tools.
• Bash and Python scripting.
• Large-scale Linux cluster administration.
• Experience with compute, network, memory, and storage components.
• Red Hat Satellite.
• Splunk.
• VMware ESXi.
• SaltStack and Ansible.
• HPE OneView and Nagios.
• Security compliance policies.
• Docker.
• Currently hold an active TS/SCI clearance with polygraph; clearance sponsorship and upgrades are not available.
• Live within commuting distance of Fort Meade, Maryland, and work on site regularly.

Nice To Haves

• Kubernetes.
• Weka, Ceph, GPFS, or HDFS.
• Jira and Confluence.

Responsibilities

• Install and support COTS, GOTS, and open-source software.
• Conduct day-to-day cluster operations, monitoring, and problem resolution.
• Maintain system security and configure network components.
• Manage VMware ESXi virtualization.
• Automate operations with SaltStack and Ansible.
• Support call-in operations as needed.
• Support large-scale compute, network, memory, and storage infrastructure for mission operations.

Benefits

• 10% employer 401(k) non-elective contribution.
• Employer-paid life insurance and short- and long-term disability insurance.
• Medical, dental, and vision coverage options.
• Employee Assistance Program.
• Professional development and certification reimbursement.
• Technology and ergonomic equipment reimbursement, subject to eligibility.
• Referral and retention bonus programs, subject to eligibility.
• Paid social and team events.
• Compensation model options include packages with bonus and/or PTO, subject to model and role eligibility.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior