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Salary
$100k – $140k per year
Location
In office (Radford)
Seniority
Senior · 5+ years exp

Confirmed on the employer's own hiring board on Oct 20, 2026. First seen by Alion on Oct 16, 2026.

Overview
Company
Impact
Profile match
Entarian is a US federal engineering and technology contractor headquartered in Greenbelt, Maryland, delivering satellite mission operations, network and communications, command and control, cyber defense, IT modernization and science data processing for space, defense and civilian agencies. Formed through the union of Sev1Tech and ERT, it traces its roots to 1993, has 13 offices across the US and holds ISO 9001, ISO 27001 and CMMI Level 3 certifications. It hires cybersecurity administrators, DevSecOps and cloud network engineers, UNIX system engineers, program managers, trainers, data analysts and fisheries biologists.

Overview/ Job Responsibilities

Position is contingent upon contract award and funding.

Entarian is looking for a Senior Windows Administrator supporting the ALTESS Windows team. This is currently a mixed and growing environment of Windows 2019 and Windows 2022.

The responsibilities include but are not limited to:

  • Work with the existing Windows team to manage, maintain, deploy, troubleshoot, and support servers for a mixed customer environment
  • Plan, execute, and implement new system Hardware and Software and create and maintain team technical instructions, operating procedures and policies as needed
  • Be adept at monitoring and tuning system performance, ongoing operation of the servers, hardening of the servers and reporting of the overall security and operational status
  • Recommend improvements to the enterprise and manage new SW/HW integrations when required while also providing utilization reports using existing tools to identify problems and corrective actions as needed
  • Excellent communication and team skills
  • Provide support toward the lifecycle of a mixed environment of vendor equipment in the data-center to include firmware version control and periodic preventive maintenance
  • Ability to recommend, demonstrate, and implement technologies to help expand, upgrade, and increase efficiencies to the current environment

Salary range: $100,000.00 - $140,000.00

Minimum Qualifications

  • Active DoD Secret Security Clearance
  • CompTIA Security+
  • Computing Environment (CE) Certification (i.e., Microsoft Certified Solutions Expert (MCSE), Server+, Cisco Certified Network Associate (CCNA), RedHat, Palo, etc., can be waived for 30 days after project join date
  • Experience in Computer Science or IT
  • Minimum five years' experience as a Windows Systems Administrator or Engineer with three or more years’ experience in automating assigned tasks utilizing powershell
  • Minimum five years’ installing, configuration, maintaining, and troubleshooting complex applications and websites (Internet Information Services (IIS)), Apache, etc.)
  • Minimum five years’ experience working in an environment with complex networking solutions with senior level fundamental knowledge in networking principles, Transmission Control Protocol/Internet Protocol (TCP/IP), Domain Name System (DNS), Dynamic Host Configuration Protocol (DHCP), Simple Mail Transfer Protocol (SMTP), Simple Network Management Protocol (SNMP)
  • Minimum five years’ experience managing enterprise level Active Directory Structures
  • Minimum five years’ experience creating and maintaining complex MS Group Policy implementations
  • Minimum five years' experience creating, maintaining, following Standard Operating Procedures for repeatable processes, disaster recovery, and common problem resolution
  • Strong interpersonal skills and willing to be a team player

Desired Qualifications

  • Bachelor's degree in computer science or equivalent years of experience
  • Three or more years’ experience supporting Cybersecurity patch management and Security Technical Implementation Guides (STIG), SRG, RMF, SCA-V, and Cyber Operational Readiness Assessments (CORA)

About Us

Formed through the strategic union of Sev1Tech and ERT, Entarian is a premier provider of mission-critical engineering and technology solutions. Founded on a legacy of excellence dating back to 1993, Entarian is a product of an evolved and fully diversified engineering and federal technology leader. From deep space to defense and civilian missions, Entarian delivers secure, mission-aligned digital solutions that drive national resilience and operational effectiveness. We don't just support modernization; we define it.

Join the Mission and Start your Career Journey: Apply Directly via our Careers Portal Connect, Referrals & Inquiries? Email the team: [email protected]

Entarian is an Equal Opportunity and Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status.

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