Systems Administrator

nou Systems, Inc. (nSI) is a 100% employee‑owned company! We value teamwork and collaboration, and this transition allows us to take that commitment to a new level. nSI empowers our customers by supplying products, services, and expertise with powerful, data‑driven insights that transform defense systems and improve capabilities. nou Systems is seeking a Tier 2 IT Systems Support Specialist to join a small, hands‑on IT team supporting five offices, remote employees, and a classified lab environment. This role sits between the help desk and our senior engineers: you will own escalated support issues, administer Linux systems, and help our engineering staff with the tools and environments they use to build software. This is a good fit for someone who already has solid help desk experience, is comfortable on the Linux command line, and wants to keep growing into systems administration and DevOps‑style work. We value curiosity and a willingness to learn as much as a long list of certifications. Responsibilities: Serve as the escalation point for help desk tickets in ServiceNow; troubleshoot and resolve complex hardware, software, network, and account issues Support Windows and Linux endpoints, Dell Latitude and Precision hardware, and peripherals Assist with user onboarding and offboarding, including account provisioning, imaging, and device setup Troubleshoot identity and access issues across Active Directory, Entra ID, and Okta MFA Support Microsoft 365 (GCC High) services including Exchange Online, Teams, and Teams Phone Write and maintain knowledge base articles and procedures; mentor Tier 1 staff Linux Systems Administration Install, configure, patch, and maintain Linux servers and workstations (RHEL/Alma and Ubuntu) Manage users, permissions, packages, services, storage, and logs Write Bash (and ideally Python) scripts to automate routine tasks Support Linux virtual machines in VMware vSphere and AWS GovCloud Apply security hardening and compliance baselines (e.g., STIGs, CIS) in coordination with IT Security Developer and Engineering Support Support engineers' development environments, toolchains, and licensed software Assist with administration of GitLab, including user access, runners, and CI/CD pipeline troubleshooting Help build and support containerized workloads (Docker) and related build workflows Troubleshoot certificate, proxy, and network issues that affect developer tools Classified and Compliance Support Support systems in a classified lab (Open Storage Area) in accordance with security procedures Follow change management, asset tracking, and documentation requirements Support CMMC / NIST SP 800-171 compliance activities alongside IT and InfoSec Basic Qualifications: 3+ years of IT support experience, including at least 1 year in a Tier 2 or escalation role. Must possess an active Secret security clearance or be able to obtain one. Must possess a current CompTIA Security+ certification or be able to obtain it within the first 12 months of employment. Must be a U.S. citizen to be eligible for this position. Preferred Qualifications: Scripting experience in Bash, Python, or PowerShell Familiarity with Git and GitLab (or similar) and basic CI/CD concepts Experience with Docker or other container tools Exposure to VMware vSphere and/or AWS (GovCloud a plus) Experience with endpoint management tools (ManageEngine Endpoint Central, Intune) or EDR (CrowdStrike) Experience in a DoD, defense contractor, or regulated environment (CMMC, NIST 800-171, DFARS) Certifications such as CompTIA Linux+, Security+, Network+, RHCSA, or equivalent (Security+ preferred for DoD 8140 alignment) nou (pronounced ‘new’) Systems: Since its founding in 2012, nou Systems has built a reputation for excellence in innovative engineering, prototype development, and technical and professional services in multiple markets, including missile defense, cybersecurity, test range modernization, and space control. Our diverse and highly skilled team delivers state‑of‑the‑art products from concepts and prototypes to fully developed and integrated solutions. We offer significant advancement and personal career development opportunities within our dynamic high‑tech company. Our culture is firmly established in treating our employees like family. Benefits Of Working At NSI nou Systems, Inc. offers a comprehensive, total rewards package that includes competitive compensation and diverse benefits that reflect our company culture of service, excellence, and a supportive work environment. Benefits may vary based on status but the majority of our positions include the following: Competitive Wages* Medical, Rx, Dental & Vision Insurance Medical plan with Health Savings Account eligibility Company-funded Life, Short-Term & Long-Term Disability Insurance Personal Time Off, Vacation, and Paid Holidays 401(k) Retirement Plan Employee Stock Ownership Plan (ESOP) Flexible Spending Accounts Norton LifeLock Tuition Reimbursement Personal Development, Technical Learning Opportunities, & Lunch-n-Learns Corporate Sponsored Events & Community Outreach Final compensation for this position is determined by a variety of factors, such as a candidate’s relevant work experience, skills, certifications, and geographic location. nSI is an Equal Opportunity Employer Employment opportunities at nSI are based upon a candidate’s qualifications and capabilities to perform the essential functions of a particular job and are free from discrimination based on race, color, religion, national origin, sex, sexual orientation, gender identity, age, disability, protected veteran status, genetic information, or any other characteristic protected by law. For our complete EEO/AA and Pay Transparency statement, please visit . U.S. citizenship is required for most positions. #J-18808-Ljbffr nou Systems, Inc.