SYSTEM Administrator –Unix/Windows TS/SCI w/Poly Clearance - RC
Listed on 2026-10-15
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IT/Tech
Systems Administrator, Unix/Linux, IT Support, Network Administrator
Posted On 10/12/2026
Job InformationTechnology
Work Experience 10-15 Years
149K - 158K
City Columbia
State/Province Maryland
21044
Job DescriptionSystem Administrator – Unix/Windows- 5+ yrs of Experience - TS/SCI w/Poly Required
Halogen Engineering Group is looking for a System Administrator who can p rovide support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. Manages IT system infrastructure and any processes related to these systems. Provides support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc. Provides Tier I (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems.
Provides support for the escalation and communication of status to agency management and internal customers. Provides support for the dispatch system and hardware problems and remains involved in the resolution process. Configures and manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance.
Location:Columbia, MD
Travel Required: No
Shift: Day
Remote Type: Onsite
Security Clearance: Current TS/SCI
Polygraph: Required
Salary Range
The projected compensation range for this position is 149K - 158K (annualized USD).
Salaryis determined by various factors, including but not limited to location, the individual's particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements.
Requirements CapabilitiesProvides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems.
Manages IT system infrastructure and any processes related to these systems.
Provides support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc.
Provides Tier I (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems,
Provides support for the escalation and communication of status to agency management and internal customers,
Provides support for the dispatch system and hardware problems and remains involved in the resolution process.
Configures and manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance.
Required SkillsProvide Tier I (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems
Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network
Provide support for the escalation and communication of status to agency management and internal customers
Optimize system operations and resource utilization, and perf
Orm system capacity analysis and planning
Five (5) years of experience as a SA in programs and contracts of similar scope, type, and complexity is required.
Bachelor's degree in a technical discipline from an accredited college or university is required.
Five (5) years of additional SA experience substituted for a bachelor's degree.
Care First Insurance Medical Plans- Three available medical plans–2 Platinum PPO Plans ($0 Deductible) and 1 HSA Plan ($1500 deductible)
- Halogen pays 100% Medical Premium Costs up to $25,000
- Care First Wellness Rewards Program
- Halogen pays 50% of the plan costs
- Halogen pays 100% of the plan costs
10% contribution paid by the company, automatically vested and paid in each pay period.
Life Insurance, AD&D, Short and Long Term Disability Coverage Paid Time OffBased on performance and billable hours
Halogen Engineering Group does not discriminate in employment on the basis of race, color, religion, sex (including pregnancy and gender identity), national origin, political affiliation, sexual orientation, marital status, disability, genetic information, age, membership in an employee organization, retaliation, parental status, military service, or other…
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