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SYSTEM ADMINISTRATOR LinuxRedHatSplunk 15+ yrs of Experience TSSCI wPoly clearance is required ID 525


Job Location:

Annapolis, MD - USA

Monthly Salary: K 217 - 230
Experience Required: 10-15years
Posted: 26 August 2026 (9 days ago)
Application Deadline: 23 November 2026
Vacancies: 1 Vacancy

Job Summary

System Administrator - Linux/RedHat/Splunk - 15 yrs of Experience - TS/SCI w/Poly Required

Halogen Engineering Group is looking for a System Administrator who will be responsible for providing support for a large-scale Linux system including installation of COTS/GOTS/FOSS software day-to-day operations monitoring and problem resolution for all the compute network memory and storage system addition the System Administrator shall maintain the system security integrity and configure network components along with implementing operating systems enhancements to improve reliability and performance.

Location: Annapolis Junction MD

Travel Required: No

Shift: Day

Remote Type: Onsite

Call in Support: Yes

Security Clearance: Current TS/SCI

Polygraph: Required


Salary Range


The projected compensation range for this position is 217K to 230K (annualized USD).

Salary is determined by various factors including but not limited to location the individuals particular combination of education knowledge skills competencies and experience as well as contract-specific affordability and organizational requirements


Capabilities

  • Provide support for implementation troubleshooting and maintenance of IT systems
  • Provide Tier 1 (Help Desk) problem identification diagnosis and resolution of problems
  • Manage the daily activities of configuration and operation of IT systems
  • Provide assistance to users in accessing and using IT systems
  • Provide Tier 1 (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 devices mobile devices etc.
  • Provide support for the escalation and communication of status to agency management and internal customers
  • Optimize system operations and resource utilization and perform system capacity analysis and planning
  • Provide in-depth experience in trouble-shooting IT systems
  • Provide detailed analysis and feedback to agency management and internal customers for escalated tickets
  • Provide support for the dispatch system and hardware problems and remains involved in the resolution process
  • Configure and manage UNIX and Windows (or other applicable) operating systems and installs/loads operating system software troubleshoot maintain integrity of and configure network components along with implementing operating systems enhancements to improve reliability and performance
  • Support the design of systems mission architecture and associated hardware
  • Possess a working knowledge and understanding of system administration interdependencies as part of the Service Oriented Architecture (SOA)
  • Analyze and resolve complex problems associated with server hardware applications and software integration



Requirements


Required Skills
  • Experience using the Linux CLI
  • Experience developing scripts using Bash/Python
  • Experience in performing System Administration including installation configuration and support of COTS/GOTS/FOSS software in a large-scale Linux cluster environment
  • General technical knowledge regarding compute network memory and storage system components
  • Experience with Red Hat Satellite systems management solution
  • Familiarity using Splunk for ingesting indexing searching monitoring and analyzing big data
  • Experience with the sustainment and support of large Linux clusters including day-to-day operations monitoring and problem resolution
  • Experience configuring and sustaining VMware ESXi/Virtualization environments
  • Experience with IaC (Infrastructure as Code) principles and automation tools such as SaltStack and Ansible
  • Experience with corporate STE/STN security compliance policies and procedures
  • Experience using system monitoring tools such as HPE One View and Nagios
  • Experience with containerization technologies such as Docker
  • Certifications - Security

Desired Skills

  • Experience with container orchestration technologies such as Kubernetes
  • Experience with the Atlassian Suite of Tools such as Jira and Confluence

Qualifications

  • Fifteen (15) years experience as a Systems Administrator in programs and contracts of similar scope type and complexity is required.
  • Bachelors degree in a technical discipline from an accredited college or university is required.
  • Five (5) years of additional Systems Administration experience may be substituted for a bachelors degree.


Benefits


CareFirst Insurance

Medical Plans

  • Three available medical plans2 Platinum PPO Plans ($0 Deductible) and 1 HSA Plan ($1500 deductible)
  • Halogen pays 100% Medical Premium Costs up to $25000
  • CareFirst Wellness Rewards Program

Dental Plan

  • Halogen pays 50% of the plan costs

Vision Plan

  • Halogen pays 100% of the plan costs

401K Retirement Plan

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 Off

20 Paid Time Off Days

6 Federal Holidays

5 Floating Holidays

Bonuses

Based 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 non-merit factor.




Required Skills:

Required Skills Applies systems engineering principles throughout the systems life cycle phases: Concept Development Production Utilization Support and Retirement. Interacts with the Government regarding Systems Engineering technical considerations and for associated problems issues or conflicts. Communicates with other program personnel government overseers and senior executives. Responsibility for the technical integrity quality and completeness of work performed and deliverables associated with one or more of the 25 process areas defined by ISO/IEC15288: Technical Process Area - Stakeholder Requirements Definition Requirements Analysis Architectural Design Implementation Integration Verification Transition Validation Operation Maintenance and Disposal; Project Process Area - Project Planning Project Assessment and Control Decision Management Risk Management Configuration Management Information Management and Measurement; Enterprise (Organizational Project-Enabling) Process Area - Project Portfolio Management Infrastructure Management Lifecycle Model Management Human Resource Management and Quality Management; Agreement Process Area - Acquisition and Supply. A Bachelors degree in a Qualified Engineering Field (See Note 1) or a related discipline (See Note 2) from an accredited college or university plus six (6) years of systems engineering experience OR A High School Diploma or GED plus ten (10) years of general system engineering experience (any Process Area). OR A Masters degree in a Qualified Engineering Field (See Note 1) or a related discipline (See Note 2) from an accredited college or university plus four (4) years of systems engineering experience OR A PhD in a Qualified Engineering Field (See Note 1) or a related discipline (See Note 2) from an accredited college or university plus four (4) years of systems engineering experience. Examples of Qualified engineering fields include: Aeronautics Biomedical Chemical Civil Computer Electrical Environmental Mechanical Nuclear Software Systems and Engineering Management. Examples of related disciplines include: Chemistry Computer Science Information Systems Mathematics and Physics