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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior IT & Network Systems Administrator (Part-Time) - **Company:** Four Sea Group, Inc. - **Location:** Greenwood Village, CO, United States - **Experience:** Expert - **Salary:** $95,000.0 - $130,000.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Microsoft Windows, Amazon Web Services, Amazon Cloudfront, Amazon S3, Apple Mac Systems, Microsoft Azure, Backup Devices, Cloud Computing, Collaborative Software, Cyber Security, Identity and Access Management, Information Technology Operations, Networking Hardware, Junos, Python (Programming Language), Microsoft Software, Network Architecture, Routing, Network Administration, Windows PowerShell, Microsoft SharePoint, Single Sign-On, Software Deployment, Software Vulnerability Management, Wide Area Networks, Wi-Fi Technology, Computer Networking Systems, Juniper, Microsoft InTune, Deployment Automation, Casper Suite, Data Management, Commvault, Cisco - **Published:** July 4, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=b0b30f9332e13304 ## About the Role * 10+ years of relevant experience in IT systems administration, network administration, cloud administration, endpoint management, security operations, or related infrastructure support roles. * Strong hands-on experience with Microsoft 365, Azure, Entra ID, Intune, Defender, Purview, Sentinel, Conditional Access, and Windows endpoint management. * Experience supporting AWS, enterprise networking, backup operations, collaboration tools, and physical office technology. * Ability to troubleshoot complex issues across identity, endpoint, cloud, network, security, and user support areas. * Strong documentation skills and the ability to create reliable, repeatable IT processes. * Ability to work in the Denver, Colorado area, within a hybrid environment, and provide on-site support when needed., * 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. ## Description 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. The ideal candidate has 10+ year of progressive IT, systems administration, network administration, cloud administration, and security operations experience. This is a senior hands-on role for someone who can operate independently, improve security posture, troubleshoot complex issues, support users, and maintain reliable IT operations across a small government contractor environment. What you'll do * Administer and secure Microsoft 365, Azure, Entra ID, Intune, Purview, Defender, Sentinel, Conditional Access, Autopilot, and Windows Update configurations. * 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. * Administer and troubleshoot Juniper network equipment, JunOS configurations, LAN/WAN connectivity, Wi-Fi, routing, switching, and related network infrastructure. * 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. * Use scripting and automation where appropriate, including PowerShell, JavaScript, Python, and infrastructure-as-code principles. ## Related Videos - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Creating a routing app with Google Maps API from scratch](https://www.wearedevelopers.com/videos/831-creating-a-routing-app-with-google-maps-api-from-scratch) - [Computer Vision from the Edge to the Cloud done easy](https://www.wearedevelopers.com/videos/263-computer-vision-from-the-edge-to-the-cloud-done-easy) - [A Technical Introduction to Bitcoin's 2nd Layer- The Lightning Network](https://www.wearedevelopers.com/videos/15-a-technical-introduction-to-bitcoin-s-2nd-layer-the-lightning-network) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [A Guide to Green Tech and Green IT Careers](https://www.wearedevelopers.com/magazine/374-a-guide-to-green-tech-and-green-it-careers) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)