> Markdown version of [/jobs/ext/3668264-classified-infrastructure-systems-engineer-in-falls-church](https://www.wearedevelopers.com/jobs/ext/3668264-classified-infrastructure-systems-engineer-in-falls-church). 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). --- # Classified Infrastructure Systems Engineer in Falls Church - **Company:** Energy Jobline - **Location:** Falls Church, VA, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Amazon Web Services, Systems Engineering, CompTIA Security+, Desktop Computing, Linux, Networking Hardware, Network Security, Windows Servers, Network Administration, NIPRNet, Server Virtualization, Network Routers, Cloud Platform System, Firewalls (Computer Science), Microsoft InTune, Kubernetes, Information Technology, Deployment Automation, Patch Management, Network Server, User Accounts - **Published:** October 10, 2026 - **Apply:** https://www.energyjobline.com/job/classified-infrastructure-systems-engineer-falls-church-31904468 ## About the Role * Significant experience managing IT systems in SIPR, JWICS, and NIPR environments * Experience in managing compliance for connected classified networks * Ability to maintain on-prem CWAN, SCWAN, and stand-alone networks. * Experience in managing classified IT resources and networks supporting multiple DoD and IC client programs simultaneously * Ability to manage software ATO/SWaP submissions and processes * At least 3 years of experience managing Microsoft Windows Server operating systems * At least 3 years of experience managing Linux-based operating systems * Hands-on experience managing resources in Microsoft 365 environment * Experience deploying Kubernetes-based applications into Production * Active Top Secret Clearance (with eligibility to garner TS-SCI) * Ability to take initiative, ownership and problem solve in a dynamic environment * CompTIA Security+ * Excellent problem solving and communication skills Desired Qualifications and Skills * Hands-on experience with Rocky Linux * Technical proficiency with managed Windows desktops * Hands-on experience provisioning and managing workstations with Microsoft Intune and Autopilot * Hands-on experience managing firewall, switch, and router network devices * Hands-on experience supporting AWS environment * Active TS/SCI Clearance Physical Requirements * Prolonged periods of sitting at a desk and working on a computer * Ability to lift 25lbs and set up workstations including monitors, desktop computers and hardware Clearance * Applicants selected will be subject to a standard background check and are required to hold an active TS clearance, with eligibility to obtain at TS-SCI. ## Description The Classified Infrastructure Systems Engineer will provide on-site support to manage the Enabled Intelligence systems including desktops, physical servers, Kubernetes environments, and cloud-based platforms on both the unclassified and classified networks. This role includes close coordination with external Managed Service Providers, and requires deep knowledge and adherence to IT security policies., * Ensure network security and data protection * Ensure compliance with industry/client regulations and standards * Complete recurring compliance activities required to maintain accreditation of classified networks * Manage Windows and Linux physical and virtual servers * Provision user accounts in accordance with security procedures * Maintain existing Kubernetes environments and ensure health of deployed applications * Provision and configure user workstations in support of onboarding new employees * Provide onsite deskside support for user issues * Develop and maintain baseline configurations for classified and unclassified desktops * Ensure desktop and server compliance with patch management policies * Coordinate with Managed Service Providers for system implementation of managed network components * Develop scripts and automations to minimize manual input of common tasks * Troubleshoot networking connectivity issues on all corporate networks * Support quarterly asset audits, * Enabled Intelligence office in Falls Church, VA with some travel to client offices in Capital Region and St. Louis, MO.