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The Nuclear Company

Senior Systems Administrator

The Nuclear Company · Washington , DC or Columbia, SC

Posted 15 days ago · $121,000 - $143,000

or apply directly on The Nuclear Company's site. We never take the application ourselves.

Is this posting real?

This role has been open
15 days
The Nuclear Company's roles stay open a median of 45 days
Reposted
No
Salary listed
Yes
68% of The Nuclear Company's roles list one
Ghost-job risk at The Nuclear Company
high
46 stale, 4 reposted of 84 open
Hiring momentum
111 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-09-17

Measured from postings appearing on and disappearing from The Nuclear Company's own greenhouse board since 2026-08-03. Full hiring picture for The Nuclear Company.

About this role

The Senior Systems Administrator at The Nuclear Company will be responsible for securely administering and scaling Microsoft 365, Microsoft Entra ID, managed endpoints, AWS, and Windows/Linux server environments. This role involves automating workflows, enhancing compliance, and serving as a Tier 3 escalation point for complex issues while collaborating with various departments to maintain operational reliability and audit readiness.

Our read on this posting4.0out of 5
benefits
2/5
freshness
4/5
career value
4/5
role clarity
5/5
pay transparency
5/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of The Nuclear Company as an employer.

What you need

  • Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent practical experience
  • At least 5 years of progressive systems administration experience
  • Strong Microsoft 365 and Microsoft Entra ID administration experience
  • Hands-on endpoint and server administration experience using Intune across Windows, macOS, and iOS
  • Advanced PowerShell automation skills
  • Solid command of networking fundamentals (TCP/IP, DNS, DHCP, and VLANs)

Nice to have

  • Hands-on experience with JAMF Pro for endpoint management
  • Experience with zero-trust architecture
  • Experience in a regulated or high-assurance environment such as nuclear or energy
  • Familiarity with frameworks such as NIST SP 800-53
  • Familiarity with automation tools beyond PowerShell

What you get

  • Competitive compensation packages
  • 401k with company match
  • Medical, dental, vision plans
  • Generous vacation policy, plus holidays

Worth weighing

  • No remote work mentioned, position is based in Washington, DC or Columbia, SC
  • Fast-paced environment may require adaptability to ambiguity
  • Emphasis on AI and automation may require continuous learning and adaptation

Summarised from The Nuclear Company's posting. Read the full original.

Listed by The Nuclear Company on their greenhouse job board, last confirmed open on 2026-09-17. PitchMeAI is not the employer.

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