Linux Admin/Engineer
Job Description:
On behalf of our confidential customer We are seeking a System Administrator who will provide IT and cyber-systems security support. This is a 100% on-site position supporting the Space and Ground segment for protected MILSATCOM. An active Secret clearance and IAT Level II certification (eg: Security+, CASP, CAP, or CISSP) are required prior to starting. This person will support maintaining the digital ecosystem across production and testing environments, ensuring all systems remain efficient, secure, and reliable.
Primary Responsibilities:
- System Administration: Linux/UNIX, Windows, embedded hardware – deploy, configure, harden, troubleshoot, and support disaster-recovery (NetBackup/Veeam).
- Storage Management: Install, secure, and monitor NetApp or other NAS/SAN solutions.
- Cyber-Compliance: Apply STIGs, manage patches/upgrades, perform trusted downloads, and maintain RMF-based compliance.
- Change & Asset Management: Execute changes using change-management tools and keep asset inventories up to date.
- Operational Support: Work onsite during day-shift business hours; provide after-hours support when critical operations demand it.
- Collaboration & Knowledge Sharing: Lead technical best-practice discussions, mentor peers, and coordinate with functional teams to resolve issues.
Relevant Experience / Education
Emerging authority typically with an advanced degree and 7+ years experience or bachelors with 9+ years experience or equivalent; applies extensive expertise; solves complex problems that require the regular use of ingenuity and creativity; work is performed without appreciable direction; may function in project leadership roles and represents the organization as prime customer contact on significant technical matters.
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Required Skills: Current Security+ (required)
- Linux/UNIX + Windows sysadmin • embedded hardware • NetBackup/Veeam DR • NetApp / NAS / SAN • STIGs, patching, trusted downloads • RMF compliance • change & asset management tools
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About DHI-WFS
Point Solutions Group (PSG) is a cleared defense engineering services firm supporting mission-critical programs across (primarily) the Air Force, Space Force, and Intelligence Community. We partner with leading defense primes and research organizations to deliver specialized engineering talent and technical expertise where it matters most: in the lab, on the range, and in the operational fight.
Our engineers work across six core capability areas:
Electronic Warfare (EW)/ Electromagnetic Spectrum Operations (EMSO)
RF Engineering
SATCOM
Test & Evaluation
Defense R&D and SBIR Phase III Transition
Systems & Software Engineering
PSG is a member of the DHI Group family alongside ClearanceJobs, the leading career network for cleared professionals. That gives us deep roots in the cleared community, plus the stability of an established parent company.
Why engineers join PSG:
Mission-focused work. You'll support programs that shape national security in space, the spectrum, and beyond.
Small-firm culture, big-program impact. You're a known name here, not a number, and you work on programs run by the largest names in defense.
Technical depth over volume. We see ourselves as an engineering partner, not a staffing agency. We match people to programs where their expertise is used and valued.
Career mobility. Our work spans multiple primes and mission areas, so you can grow without leaving PSG.