Four Sea Group

Four Sea Group

Senior IT & Network Systems Administrator (Part-Time)

Greenwood Village, CO · Senior · Part-time

Sponsorship not specified$171k-$800kDetected 17 days ago
JavaScriptPythonPowerShellAWSAzureCybersecuritySOC OperationsCiscoCollaborationSharePoint

About the role

  • About Four Sea Group, Inc. Four Sea Group is a 100% employee-owned technical mission support company based in Denver, Colorado. Founded by an aerospace industry veteran and PhD astrophysicist, we support complex defense, space, software, systems, and mission-focused programs for government and industry partners. What sets FSG apart is the caliber of our
  • people and the way we operate: we are a reputation-driven team of highly skilled engineers and technical experts who are brought in for their depth, judgment, and ability to solve difficult problems. As an employee-owned company, we have built our compensation, benefits, and culture around a simple idea: when the company succeeds, that value should go back

Responsibilities

  • Manage endpoint provisioning, Windows 11 hardening, vulnerability remediation, CIS benchmark remediation, device compliance, application deployment, and user support.
  • Support AWS services, including IAM / SSO, S3, CloudFront, and CodeDeploy.
  • Manage SharePoint permissions, data organization, access controls, and collaboration structure.
  • Support Commvault backups, Zoom for Business, Zoom Rooms, Logitech conferencing equipment, printers, office IT equipment, and other physical technology assets.
  • Support macOS device management, Jamf, Rippling authentication workflows, and general employee technical support.
  • Create and maintain documentation, standard operating procedures, and repeatable technical processes.
  • Support CMMC, NIST SP 800-171, CUI handling, audit evidence collection, and secure separation between multiple environments.
  • Four Sea Group is seeking a part-time Senior IT & Network Systems Administrator to manage and support our Microsoft 365, Azure, AWS, endpoint, network, backup, collaboration, and physical office technology environments.

Requirements

  • Experience supporting AWS, enterprise networking, backup operations, collaboration tools, and physical office technology.

Nice to have

  • Experience supporting a government contractor, defense contractor, or regulated environment.
  • Familiarity with CMMC, NIST SP 800-171, CUI handling, GCC High, or Microsoft compliance tooling.
  • Experience with Juniper / JunOS, Commvault, Jamf, macOS, Zoom Rooms, Logitech conference systems, and SharePoint information architecture.
  • Microsoft, CompTIA, AWS, Cisco, Juniper, or security-related certifications.
  • Experience with PowerShell, JavaScript, Python, and infrastructure-as-code concepts.
  • The ideal candidate has 10+ year of progressive IT, systems administration, network administration, cloud administration, and security operations experience.
  • Administer and secure Microsoft 365, Azure, Entra ID, Intune, Purview, Defender, Sentinel, Conditional Access, Autopilot, and Windows Update configurations.
  • Administer and troubleshoot Juniper network equipment, JunOS configurations, LAN/WAN connectivity, Wi-Fi, routing, switching, and related network infrastructure.

Compensation

  • The salary range for this role is $95,000-$130,000 per year.
  • The salary range provided is a good faith estimate representative of all experience levels.
  • Application Deadline: This position is expected to remain open through August 31, 2026.
  • The company may adjust this deadline based on business needs and will update the posting as appropriate.

Benefits

  • Our model is intentionally built to keep more value with employees through salary, retirement, benefits, and ownership.

Company info

  • This position is expected to remain open through August 31, 2026.
  • The company may adjust this deadline based on business needs and will update the posting as appropriate.
  • Four Sea Group is a 100% employee-owned technical mission support company based in Denver, Colorado.
  • Founded by an aerospace industry veteran and PhD astrophysicist, we support complex defense, space, software, systems, and mission-focused programs for government and industry partners.

Equal opportunity

  • Four Sea Group is an equal opportunity employer and considers qualified applicants for employment without regard to race, color, sex, sexual orientation, gender identity or expression, religion, national origin, marital or familial status, age, disability, veteran status, military service or application for military service.
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This listing is sourced directly from Four Sea Group's careers page and normalized into a canonical job model.