Systems Administrator - Senior - CLEARANCE and POLYGRAPH

Systems Administrator – Senior – Clearance and Polygraph Required

Posted 1 month ago. Be among the first 25 applicants.

Base salary: $ – $ per year.

Job link:

• Must be a US Citizen.
• Must have TS/SCI clearance with an active polygraph.
• At least fifteen (15) years of direct/relevant experience.
• Bachelor’s degree in a technical discipline (or five (5) years of additional Systems Administration experience on projects with similar processes may substitute).
• Security+ Certification.
• Provide support for implementation, troubleshooting, and maintenance of IT systems.
• Provide Tier 1 (Help Desk) problem identification, diagnosis, and resolution.
• Manage daily configuration and operation of IT systems.
• Assist users in accessing and using IT systems.
• Provide Tier I (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis, and resolution.
• Support day‑to‑day operations, monitoring, and problem resolution for all client/server/storage/network devices, mobile devices, etc.
• Escalate and communicate status to agency management and internal customers.
• Optimize system operations and resource utilization; perform capacity analysis and planning.
• Provide in‑depth troubleshooting experience for IT systems.
• Provide detailed analysis and feedback to agency management for escalated tickets.
• Support the dispatch system and hardware problems, remaining involved in resolution.
• Configure and manage UNIX, Windows (or other applicable) operating systems; install/load OS software, troubleshoot, maintain integrity, configure network components, and implement OS enhancements.
• Configure and manage virtual environments.
• Patch systems with state‑of‑the‑art security and functional parameters.

• Strong Red Hat Linux command‑line administration and troubleshooting.
• Strong Windows 2012/2016/2019 administration and troubleshooting.
• Experience with Nessus Scanner and managing Nessus Agents.
• Ability to write POA&Ms.
• Knowledge of maintaining a Secure the Enterprise (STE)/ Secure the Network (STN) score.
• Familiarity with Latte Art, Biscotti, XACTA.

• Affordable healthcare options with 80% employer‑paid premium plus company‑funded HSA.
• Dental insurance with 100% employer‑paid premium.
• Vision with 80% employer‑paid premium.
• Employer‑paid Life insurance 100%.
• Employer‑paid short‑term and long‑term disability 100%.
• Annual training, continued education, and professional memberships reimbursement.
• Unlimited access to Red Hat Enterprise Linux and AWS training and accreditation.
• Annual reimbursement for technology (phones, computers, printers, etc).
• 401(k) with company match up to 5% with 100% immediate vesting after 90 days of employment.

• Professional development investment and paid time off for training.
• Contract and work locations in Maryland, Virginia, Colorado, Texas, Utah, Florida, and Hawaii.
• Team building events throughout the year (Destination Family Events, Holiday Party, Monthly Get‑Togethers).
• Leadership team engagement and mentorship.
• Performance recognition program.
• Complimentary branded apparel.

Constellation Technologies is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to protected status (race, religion, gender, disability, etc.).

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans.

The pay range for this job is a general guideline only and not a guarantee of compensation. Additional factors considered include responsibilities, education, experience, skills, internal equity, market data, and applicable law.