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# Sr. Systems Administrator

- **Company:** nLIGHT Inc
- **Location:** Longmont, CO, United States
- **Experience:** Expert
- **Salary:** $80,000.0 - $120,000.0
- **Contract:** Temporary contract
- **Skills:** Microsoft Windows, Active Directory, Microsoft Online Services, Dynamic Host Configuration Protocol, Linux, Domain Name System (DNS), Hyper-V, Identity and Access Management, Virtual Private Networks (VPN), Linux System Administration, Linux Servers, Microsoft Dynamics, Windows Servers, Package Management Systems, Windows PowerShell, Azure Active Directory, Ansible, Runbook, Virtual Local Area Networks, Computer Network Technologies, Software Troubleshooting, Selinux, Patch Management, Fortinet, Vmware
- **Published:** October 28, 2026
- **Apply:** https://www.juju.com/job/1_6918C7F9E78F4568996C3CA98BB61B84-CO844768667004028

## About the Role

The ideal candidate is hands-on, detail driven, securityminded, and comfortable working across Windows and Linux environments.
All applicants must possess or be qualified to obtain a U.S. DoD Personnel Security Clearance.
Preference will be given to candidates with an existing U.S. DoD Personnel Security Clearance.Further information on requirements to obtain a security clearance is available at:**https://www.dcsa.mil/mc/pv/mbi/gicp/**.Please review this information before applying. **Responsibilities:** - Manage Windows and Linux servers; maintain HyperV/VMware environments. - Build, maintain, and secure Windows and Linux images, understanding key Linux variances (distros, package managers, service frameworks, SELinux/AppArmor, kernel modules). - Support LAN/WAN networking, VPN, VLANs, DNS/DHCP, and general connectivity. - Participate in maintenance windows and oncall rotations. - Apply CIS/ STIG hardening across Windows & Linux server and endpoint images. - Lead OS patch cycles and vulnerability review, performing threat analysis using CVE feeds, vendor advisories, and exploit intelligence. - Ensure alignment with CMMC, DFARS 252.2047012, NIST 800171, and internal security controls. -
Support audit preparation through proper documentation (configs, change records, test results). - Administer Active Directory, Azure AD, Group Policy, and Microsoft 365 services. - Enforce leastprivilege, manage privileged accounts, and support access reviews. - Manage service accounts, licensing, and lifecycle tasks (onboarding/offboarding). - Serve as Tier 2/3 escalation for complex incidents and rootcause investigations. - Maintain standard Windows/Linux endpoint images and patch baselines. - Produce and maintain documentation (runbooks, SOPs, diagrams). - Provide advanced support for Windows endpoints, A/V systems, VPN, and executive users. **Required Experience / Capability:** - Commitment to Excellence.
Attention to Detail.
Pride in Workmanship. - 5+ years System Administration experience across Windows Server, AD, M365, and core networking. - Handson xperience with HyperV and/or VMware. - Practical Linux administration experience including building, securing, and maintaining OS images across different distributions. - Experience performing patch management and threat analysis (CVE evaluation, prioritization, and remediation planning. - Strong troubleshooting, documentation skills, and customerservice mindset. - PowerShell scripting; automation/orchestration tools (Ansible, Packer, etc.). - Exposure to identity governance, DUO, Keeper, or endpoint management platforms. - Familiarity with GCC High, FortiGate, Dynamics 365, or manufacturing/cleanroom environments. **Benefits Summary:** - 4 weeks of Paid Time Off per year - 11 paid Holidays - Employee Stock Purchase Plan - Tuition Assistance Program - Health (ACA Gold Plan), Vision and Dental Care paid by employer 100% for

## Description

This role partners closely with the Senior System Administrator to maintain reliable operations, strengthen security posture, manage image and patch lifecycles, and act as a Tier 2/3 escalation point.