> Markdown version of [/jobs/ext/1815672-grc-senior-system-administrator](https://www.wearedevelopers.com/jobs/ext/1815672-grc-senior-system-administrator). 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). --- # GRC Senior System Administrator - **Company:** Guidehouse Inc. - **Location:** McLean, VA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Microsoft Access, Amazon Web Services, Cloud Computing, Configuration Management, Data Integrity, Performance Tuning, Systems Integration, Virtualization Technology, Software Vulnerability Management, Enterprise Software Applications, Information Technology, Patch Management, RSA Archer Platform, CIS Benchmarks, Devsecops - **Published:** July 14, 2026 - **Apply:** https://guidehouse.wd1.myworkdayjobs.com/External/job/US---VA-McLean/GRC-Senior-System-Administrator_40664 ## About the Role * Minimum of SEVEN (7) years of enterprise systems administration experience, including hands-on management of complex technical environments. Minimum of THREE (3) years of troubleshooting and technical support experience. * Demonstrated proficiency with: + System administration for large or complex environments + Access control and identity enforcement + Patching, updates, and configuration management + Infrastructure operations and maintenance + Vulnerability remediation and system hardening * Experience supporting or integrating with enterprise software platforms (GRC, workflow automation, case management, or similar). * Strong understanding of secure system operation principles and compliance-driven environments. * Certifications: Security+, AWS Certified Solutions Architect, CASP+, GIAC, MCSE or EIGHT (8) or more years of directly relevant and applicable experience. What Would Be Nice To Have: * Minimum of SIX (6) years managing large or complex enterprise systems at a senior level. Experience supporting or operating enterprise GRC solutions, risk & compliance platforms, or secure workflow-driven applications. * Familiarity with: + Cloud-hosted and hybrid infrastructure + Identity, access, and governance workflows + Vulnerability management and secure configuration standards + Enterprise operational frameworks, including ITIL/DevSecOps ## Description The Senior System Administrator supports a large-scale Governance, Risk, and Compliance (GRC) solution by delivering enterprise-level system administration, platform operations, infrastructure sustainment, and security-focused maintenance. This role ensures stable, secure, and compliant operation of the GRC environment across production and supporting ecosystems, enabling reliable workflows, risk management capabilities, reporting, and continuous modernization., * Provide full-lifecycle system administration for enterprise GRC platforms and supporting infrastructure, including installation, configuration, optimization, and performance tuning. * Manage access control and enforce least-privilege principles across the GRC environment to support functional roles, workflows, and approval structures. * Execute patch management, upgrades, and configuration management aligned with security baselines, release cycles, and compliance frameworks. * Deliver advanced troubleshooting and root-cause analysis for system, application, and integration-level issues within a complex enterprise environment. * Perform operations and maintenance (O&M) activities, including health checks, monitoring, service continuity, data integrity verification, and environment upkeep. * Lead or collaborate on vulnerability remediation, system hardening, and remediation of audit findings to maintain a secure and compliant platform. * Support infrastructure sustainment, including servers, virtualized environments, cloud resources, and supporting components essential to GRC platform functionality. * Maintain detailed and continuous documentation, including SOPs, configuration standards, maintenance records, architecture diagrams, and operational runbooks. * Assist modernization efforts-such as enhancements, workflow optimization, and integration with enterprise services-aligned with GRC roadmap priorities. ## Related Videos - [Hacking MSSQL on Cloud. All of them. How I became sysadmin on Azure, AWS, GCP and Alibaba.](https://www.wearedevelopers.com/videos/100339-hacking-mssql-on-cloud-all-of-them-how-i-became-sysadmin-on-azure-aws-gcp-and-alibaba) - [A practical guide to writing secure Dockerfiles](https://www.wearedevelopers.com/videos/109-a-practical-guide-to-writing-secure-dockerfiles) - [Exploring 5 Key Applications of AI Abundance with Blockchain Assurance](https://www.wearedevelopers.com/videos/971-exploring-5-key-applications-of-ai-abundance-with-blockchain-assurance) - [DevSecOps: Injecting Security into Mobile CI/CD Pipelines](https://www.wearedevelopers.com/videos/273-devsecops-injecting-security-into-mobile-ci-cd-pipelines) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [DevSecOps culture](https://www.wearedevelopers.com/videos/783-devsecops-culture) ## Related Articles - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Events like RSAC Get You CISOs. Developers Decide What Actually Gets Deployed.](https://www.wearedevelopers.com/magazine/693-events-like-rsac-get-you-cisos-developers-decide-what-actually-gets-deployed) - [Quick guide: How to write a Software Developer CV](https://www.wearedevelopers.com/magazine/37-quick-guide-how-to-write-a-software-developer-cv) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [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) - [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)