> Markdown version of [/jobs/ext/2563160-systems-administrator-aht](https://www.wearedevelopers.com/jobs/ext/2563160-systems-administrator-aht). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Systems Administrator (AHT) - **Company:** Northrop Grumman - **Location:** Aurora, CO, United States - **Experience:** Experienced - **Salary:** $91,800.0 - $137,600.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, Antivirus Softwares, Configuration Management, Cyber Security, Information Systems, Linux, RAID, File Systems, VMware ESX Servers, File System Permissions, Identity and Access Management, IT Management, Networking Hardware, Windows Servers, NetApp Applications, Data ONTAP (Server Appliance), Red Hat Enterprise Linux, Information Technology Security Auditing, Server Administration, Microsoft SharePoint, Single Sign-On, Data Logging, Storage Devices, Information Technology, Iptables, Nessus, Wikis, National Industrial Security Program Operating Manual (NISPOM), Splunk, Cisco, Vmware - **Published:** August 16, 2026 - **Apply:** https://www.techcareers.com/job.asp?id=3355987735&tx=JJ6155FFL&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54 ## About the Role * Bachelor's degree with 2 years of IT experience * Must have an active U.S. Government Top Secret security clearance at time of application, current and within scope, with the ability to obtain and maintain SCI approval/access. * Must have an adjudicated Full Scope Polygraph at time of application. * Must have server administration experience with Linux (RedHat Enterprise Linux is preferred) and Windows * Perform administration on VMware technologies (or related) * Must have a DOD 8570 IAT Level 2 baseline certification (example: Security+ CE); OR must have the ability to obtain one within 6 months of start date. * Experience with NAS storage device (preferably NetApp) administration (ONTAP 8.x or higher; CDOT) * Ability to lift equipment weighing up to 40 pounds. * Ability to support after hours and on weekends as needed, * Higher degree in a STEM-related discipline * Network hardware and configuration * 6+ years of experience with Red Hat Enterprise Linux (RHEL) server administration in an SCI classified environment * Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF, STIG, JAFAN, or JSIG information system environments * Solid understanding of Enterprise-level storage concepts to include all commonly used RAID-levels * Solid understanding of remediating security vulnerabilities; Experience hardening Linux systems in accordance with RMF and STIGs * Identity Management (Single Sign-On) experience * VMware and ESXi (6.x or higher) configuration and management experience * Experience with host-based firewall implementations and configuration (Redhat "iptables") * Windows 10 administration experience; Windows Server experience; Group Policies (GPOs) experience; Active Directory management experience * Solid writing skills and use of Wiki pages and SharePoint sites for documentation * DoD 8570 Certification in a primary OS (Windows, Linux, Cisco) * Currently valid Security+ CE, CASP, CISSP, or similar security certification * Experience in VMWare, NetApp and Splunk among other industry standard technologies. Comfortable with maintenance and OS upgrades * Preferred candidate will be familiar with Tenable and Nessus scans for vulnerability and controls implementation. ## Description * Perform as a Linux and Windows System Administrator on large government contracts. * Perform administration on VMware technologies (or related) * Experience with all aspects of NAS Storage * Maintain smooth operation of multi-user computer systems, including coordination with network, software, and system engineers, PC desktop technicians, project managers, end users, and customer and IT management. * Recommend and implement system enhancements that will improve the performance and reliability of the system including installing, upgrading/patching, monitoring, problem resolution, and configuration management. * Provide backup and recovery services; manage file systems and disk space; manage virus protection on a routine basis. * Create and maintain user and computer accounts and modify file permissions and security access lists. * Maintain security audit and logging information on all classified networked and standalone computers as directed by the Information Systems Security Manager (ISSM). * Support the Cyber Security team. * Report on project status as required for all recurring and non-recurring efforts. ## Related Videos - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [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) - [Living Documentation That Can't Die](https://www.wearedevelopers.com/videos/2025-living-documentation-that-can-t-die) - [Your Infrastructure Is Not a Playground: AI Agents for Infra Done Right](https://www.wearedevelopers.com/videos/2084-your-infrastructure-is-not-a-playground-ai-agents-for-infra-done-right) - [The Developer Workstation Blind Spot: Why Your Security Stack Can't See What Matters Most](https://www.wearedevelopers.com/videos/100254-the-developer-workstation-blind-spot-why-your-security-stack-can-t-see-what-matters-most) - [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) ## 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) - [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) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [A Guide to Green Tech and Green IT Careers](https://www.wearedevelopers.com/magazine/374-a-guide-to-green-tech-and-green-it-careers)