Senior Linux Systems Administrator Security Clearance

Position: Senior Linux Systems Administrator with Security Clearance
Forge Forward is searching for a Senior Linux System Administrator to support a client in Charleston, SC. Requires a minimum five (5) years experience in system administration (e.g. Linux operating systems). Must be a US citizen holding an active Secret clearance with a current SSBI/T5 investigation. TS/SCI desired. Candidates not meeting these requirements cannot be considered. The System Administrator is responsible for maintaining, securing, and optimizing enterprise and tactical IT environments that support C4I systems.

This role provides day-to-day support for servers, workstations, and networks while ensuring compliance with DoD security standards and mission requirements. Candidate will have privileged system access and must have CompTIA Security+ certification and ability to meet DoD Cybersecurity Workforce IAT Level II certification with an operating systems certificate (e.g. Linux+). Functional Skills and Responsibilities:
- Lead administration of enterprise and tactical IT systems, including OS, virtualization, and networked services.
- Develop and enforce system architectures, standard operating procedures, and security policies.
- Oversee implementation of RMF controls, STIG compliance, and continuous monitoring requirements.
- Maintain complex applications in Linux environments.
- Administer systems and applications like RHEL, SELinux, Firewalld access control, Active Directory Integration, DNS.
- Automation and scripting using Ansible and other automation tools.
- Coordinate with cybersecurity, network, and application teams to ensure system reliability and security.
- Support system integration, fielding, and troubleshooting across geographically distributed environments.
- Expert knowledge of Linux servers, virtualization (VMware, ESXi), and domain architectures.
- Experience supporting ATO packages, RMF, and DoD 8500 series compliance.

Required Skills:

- Five (5) years experience in system administration (e.g. Linux operating systems).
- CompTIA Security+ certification or equivalent.
- Operating System Certificate (e.g., Linux+, Windows Server, CCNA, etc).
- US citizen holding an active Secret clearance with a current SSBI/T5 investigation. TS/SCI desired. Desired

Skills:

- Master’s in Information Technology, Computer Science, or related field, desired.

- Experience with storage and backup solutions (e.g. Net App, Rubrik).

- Experience with software-defined networking (e.g. NSX).

- Experience with HCI systems (e.g. VxRail).