Full-Time

Systems Administrator 3

Linux/Windows/Ansible/Rancher/Docker

Posted on 9/10/2025

Captivation

Captivation

11-50 employees

Software engineering for mission-focused teams

Compensation Overview

$130k - $270k/yr

Annapolis Junction, MD, USA

In Person

US Top Secret Clearance Required

Category
IT & Security (1)
Required Skills
Kubernetes
Docker
Ansible
Linux/Unix
Requirements
  • Top Secret/SCI U.S. Government security clearance with a favorable Polygraph; must be a U.S. citizen
  • Bachelor's Degree in related technical discipline
  • Twenty (20) years of experience providing System Administration support
  • IAT level II baseline certification as defined by DoD 8570.01-M
  • Quantifiable Linux System Administration work experience
  • Ansible scripting
  • Some Windows System Administration work
  • ProxMox
  • Centrify
  • Harvester
  • Rancher
  • Kubernetes / Docker
  • Other Hyperconverged Infrastructure solutions including Azure Stack HCI, Cisco HyperFlex Systems, DataCore SANsymphony, Dell VxRail Hyperconverged Infrastructure, HPE SimpliVity, Nutanix Hyperconverged Infrastructure (HCI), NetApp HCI, Scale Computing Platform
Responsibilities
  • Provide senior level systems administration and support with a focus on Linux system administration.
  • Work with Ansible scripting and Linux automation to manage infrastructure.
  • Operate and manage ProxMox virtualization platform and Centrify for identity and access management.
  • Work with Harvester and Rancher for container and virtualization management.
  • Deploy and manage Kubernetes and Docker environments.
  • Work with Hyperconverged Infrastructure solutions such as Azure Stack HCI and other listed HCI platforms.
  • Collaborate with teams to maintain and secure the infrastructure in support of government requirements.
  • Possibly engage in design, deployment, and maintenance of IT infrastructure in a DoD environment.
  • Maintain security compliance per DoD requirements (IAT Level II).

Captivation builds digital software for mission makers by delivering engineering services across a wide range of disciplines. The work is collaborative, with teams that move quickly like a small business and take pride in what they develop. The company emphasizes transparency, a flat organizational structure, and a developer-focused culture, which enables engineers to work directly and iteratively with clients. Compared with larger firms, Captivation differentiates itself through its focus on timely delivery, practical problem solving, and actively pursuing challenging projects for the Intelligence Community, using modern software technologies. The goal is to produce solutions that clients value, on time, while growing the team and empowering its engineers to take ownership of their work.

Company Size

11-50

Company Stage

N/A

Total Funding

N/A

Headquarters

Columbia, Maryland

Founded

2014

Simplify Jobs

Simplify's Take

What believers are saying

  • DoD cyber defense spending growth expands addressable market for CYBERCOM and DISA.
  • Salt Lake City expansion diversifies talent pool beyond Maryland headquarters.
  • Custom software developer NAICS certification unlocks targeted federal contracting opportunities.

What critics are saying

  • Booz Allen Hamilton and incumbents dominate IC contracts, squeezing $1M-revenue firms.
  • Talent exodus to Palantir and scaled competitors threatens 29-person team delivery.
  • JADC2 AI/ML mandate requires platform scale Captivation cannot match internally.

What makes Captivation unique

  • GSA Schedule 47QRCA25DS201 contract enables direct federal procurement without competitive bidding.
  • Developer-oriented culture with flattened structure attracts mission-driven engineering talent.
  • Specialized expertise in DSP, ML/AI, and streaming analytics for intelligence missions.

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Benefits

Health Insurance

Dental Insurance

Vision Insurance

Life Insurance

Disability Insurance

Health Savings Account/Flexible Spending Account

Unlimited Paid Time Off

401(k) Retirement Plan

INACTIVE