System Administrator, Level 1 Security Clearance

System Administrator, Level 1 – Annapolis Junction, MD.
Full‑time, Mid Level.

• Administer, maintain, and troubleshoot Linux‑based servers and infrastructure.
• Support containerized and cloud‑hosted environments.
• Manage virtualization platforms and enterprise storage solutions.
• Configure and troubleshoot IP networking, routing, and firewall technologies.
• Support application deployments, maintenance, and troubleshooting activities.
• Implement and maintain PKI, TLS certificates, and enterprise cryptographic policies.
• Perform system patching, hardening, upgrades, and lifecycle management.
• Support SSP compliance activities and STE/STN requirements.
• Troubleshoot system, application, network, and infrastructure issues.
• Develop and maintain technical documentation and operational procedures.
• Collaborate with engineering, security, and operations teams to support mission requirements.

• Experience administering Linux systems in enterprise environments.
• Experience supporting cloud and containerized environments.
• Experience with virtualization and storage management technologies.
• Experience configuring and troubleshooting IP networking and firewalls.
• Strong understanding of PKI, TLS, certificates, encryption technologies, and cryptographic policies.
• Experience supporting enterprise applications and performing system troubleshooting.
• Understanding of SSP compliance requirements and STE/STN support processes.
• Strong analytical, troubleshooting, and problem‑solving skills.
• Ability to work independently and within a team environment.
• Strong written and verbal communication skills.

• Five (5) years of experience as a System Administrator supporting programs and contracts of similar scope, type, and complexity is required; a Bachelor’s degree in a technical discipline from an accredited college or university is required. OR
• Ten (10) years of System Administrator experience supporting programs and contracts of similar scope, type, and complexity may be substituted for a Bachelor’s degree.
• Must meet DoD 8570 IAT Level II certification.
• Must possess an active TS SCI with appropriate Polygraph.

• Competitive salary.
• Company‑sponsored health, dental, and vision insurance plans.
• Company paid long‑term disability, short‑term disability, and life insurance.
• Employee assistance program.
• 401(k) profit‑sharing plan with company match.
• Generous paid time off and holiday package.
• Paid training and professional development opportunities.

• Support critical national security missions.
• Be part of a close‑knit, employee‑first culture where your voice is heard.
• Expand your skills through ongoing training, mentorship, and career development.
• Enjoy competitive compensation and a strong focus on work‑life balance.

Independent Software is an Equal Opportunity Employer EOE, M/F/D/V.