Systems Administrator with Security Clearance

Key Responsibilities:

• Design, build, configure, and maintain Linux and Solaris-based development and test environments.

• Install, configure, patch, and secure systems and network devices following DISA STIGs and cybersecurity best practices.

• Manage user accounts, Active Directory integration, system documentation, and access controls.

• Support and secure Cisco routers and switches.

• Configure and troubleshoot single-board computers (SBCs) from vendors such as Themis, Motorola, and GE, running Solaris, Linux, or VxWorks.

• Provide system performance tuning, capacity planning, software installation, and mass storage allocation.

• Automate and virtualize system deployment and management where applicable.

• Identify and evaluate new vendor products, tracking performance and reliability over time.

• Serve as a point of escalation for critical incidents, coordinating with helpdesk and engineering teams to resolve system-level issues.

• Develop and distribute general IT communications, including planned outages and downtimes.

• Participate in the setup and execution of network testbed systems, including deployment at government and contractor facilities across the U.S.

• Collaborate with classified environments and maintain strict compliance with security protocols. Minimum Qualifications:

• Bachelor's Degree in Computer Science, Electrical Engineering, or related technical field.

• 20+ years of experience in systems administration with Solaris and Linux platforms.

• 15+ years of experience supporting Red Hat Linux (RHEL 5, 6, 7) and Ubuntu.

• 15+ years of experience with Cisco networking equipment (routers, switches).

• 15+ years of experience with network test bed systems and SATCOM-related infrastructure (specifically AEHF and Milstar).

• 10+ years of experience implementing and maintaining systems in compliance with DISA STIGs.

• Hands-on experience with Themis, Motorola, and GE SBCs.

• Current Active Top Secret Clearance is mandatory.

• Strong documentation and communication skills.