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SYSTEM ADMINISTRATOR- Linux/VMware - 15+ yrs of Experience - TS/SCI w/Poly clearance is required

Halogen Engineering Group, Inc
Linthicum Heights, MD Full Time
POSTED ON 9/30/2026
AVAILABLE BEFORE 10/28/2026
System Administrator - Linux/VMware - 15 yrs of Experience - TS/SCI w/Poly Required

Halogen Engineering Group is looking for a System Administrator who can be a collaborative member of a small and mostly autonomous team.  This position directly supports secure enclave development networks.


Location: Linthicum Heights, MD

Travel Required:  No

Shift:  Day

Remote Type:  Onsite

Security Clearance:  Current TS/SCI

Polygraph:  Required (Poly must be less than 6 years old)

 

Salary Range

The projected compensation range for this position is 223K-236K (annualized USD).

Salary is 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.


Capabilities

  • Conduct functional and connectivity testing to ensure continuing operability.
  • Develop and document systems administration standard operating procedures.
  • Maintain baseline system security according to organizational policies.
  • Manage accounts, network rights, and access to systems and equipment.
  • Plan, execute, and verify data redundancy and system recovery procedures.
  • Install, update, and troubleshoot systems and servers.
  • Comply with organization systems administration standard operating procedures.
  • Implement and enforce local network usage policies and procedures.
  • Manage system and server resources including performance, capacity, availability, serviceability, and recoverability.
  • Monitor and maintain system and server configurations.
  • Perform repairs on faulty system and server hardware.
  • Troubleshoot hardware/software interface and interoperability problems.


Requirements
Required Skills

  • Experience with Windows Sever Administration, Active Directory, and Group Policy
  • Familiarity with Linux Server Administration
  • VMware/ESXi
  • VMware vCenter
  • Networking Switching and Router Management
  • VMWare Virtual Networking 
  • Storage Management (NetApp)
  • Hardware and Operating System troubleshooting
  • System hardening
  • Security Compliance Scanning (Nessus, ACAS)
  • Understanding of project design within the scope of security (RMF) requirements
  • Active TS/SCI security clearance with current FS polygraph (MPO)
  • Active DoD IAT Level II certification (e.g. CCNA-Security, CySA , GICSP, GSEC, Security CE, CND, SSCP)
  • Ability to demonstrate cyber/IT related experience with attention to detail, customer service, oral and written communication, and problem solving


Qualifications

  • Bachelor’s degree in a technical discipline and 15 years’ experience as a System Administrator, OR High school diploma and 20 years’ experience as a System Administrator


Benefits


CareFirst 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
  • CareFirst Wellness Rewards Program
Guardian Insurance 

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.

 



Salary : $223 - $236

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