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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # IT Sr Consultant 5 - Linux & VMware Infrastructure - **Company:** NineFX, Inc. - **Location:** Fort Meade, MD, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Confluence, Client Server Models, Cyber Security, Computer Maintenance, Linux, Hardware Design, Networking Hardware, Knowledge Management, Linux System Administration, Linux Servers, Ansible, VCloud, VMware Infrastructure, VMware VSphere, Software Vulnerability Management, SSL Certificate Management, Computer Networking Systems, Reliability of Systems, Information Technology, Hardware Asset Management, User Accounts, Vmware - **Published:** September 15, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9164106/it-sr-consultant-5-linux-vmware-infrastructure ## About the Role CLEARANCE REQUIRED: Active TS/SCI with Full Scope Polygraph (must already be held - no sponsorship) CORE TECHNOLOGIES: Linux * VMware * vSphere * VCF * TLS * Ansible * Confluence, * IAT Level II (Security+ CE, GSEC, CySA+, CCNA Security, or GICSP) * Demonstrated experience leading complex IT projects and providing expert technical guidance on enterprise infrastructure. * Senior level Linux systems administration experience (required). * Experience in: o VMware, vSphere, VCF administration o Server and hardware lifecycle maintenance o OS patching, STIG remediation, vulnerability management o Certificate renewal and TLS version updates o Multi tier troubleshooting for storage, compute, and network systems o Developing documentation and SOPs for distributed IT teams * Ability to architect improvements, diagnose complex issues, and deliver solutions across large technical environments. REQUIRED TECHNICAL SKILLS * Senior Linux administration * VMware, vSphere, VCF * TLS/certificate management * Linux patching, STIG remediation * Ansible automation * Confluence documentation, * High School Diploma + 20 years relevant experience * Associate's Degree + 15 years relevant experience * Bachelor's Degree + 12 years relevant experience ## Description The Information Technology Senior Consultant Level 5 provides expert guidance, advanced troubleshooting, and leadership across enterprise infrastructure systems. This senior role supports CIS Infrastructure Services through hands on Linux administration, virtualization engineering, hardware maintenance, security compliance, and project leadership. The ITSC5 also advises on complex IT solutions and leads medium to large technical initiatives defined by government stakeholders., * Provide Tier 1 & Tier 2 troubleshooting for system issues, including diagnosis and resolution across client/server/storage/network devices. * Configure, manage, and troubleshoot Linux and Windows operating systems; install OS patches to maintain security compliance and improve system reliability. * Perform server and hardware maintenance, ensuring continuity of operations and proper lifecycle upkeep. * Manage and update Linux patches, STIG compliance findings (STE/STN), and remediation of security vulnerabilities. * Renew Linux server certificates and apply updates to TLS security versions. * Administer VMware, vSphere, and VMware Cloud Foundation (VCF) environments. * Add/remove user accounts, set permissions, and enforce access policies aligned with operational requirements. * Support system and mission architecture design, including hardware integration. * Leverage Ansible automation to streamline updates, patching workflows, and configuration consistency. * Update documentation such as SOPs, troubleshooting steps, and solutions in Confluence for team knowledge management. * Provide highly specialized technical guidance for complex IT challenges, advising engineers and system owners on advanced solutions. * Lead medium to large infrastructure projects and major phases of enterprise IT initiatives. ## Related Videos - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [WebAssembly: The Next Frontier of Cloud Computing](https://www.wearedevelopers.com/videos/972-webassembly-the-next-frontier-of-cloud-computing) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Generating code with Angular schematics](https://www.wearedevelopers.com/videos/129-generating-code-with-angular-schematics) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) - [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) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [System change: restart as developer?](https://www.wearedevelopers.com/magazine/39-system-change-restart-as-developer) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology)