Clearance Jobs
Senior System Administrator (NETOPS) (Engineer Network 4) - 2459
Clearance Jobs, Virginia Beach, Virginia, United States, 23450
Senior System Administrator
HII Mission Technologies is seeking a Senior System Administrator at our Virginia Beach, VA location. The Senior System Administrator is responsible for the day-to-day administration, maintenance, and security compliance of Windows-based systems, virtualized workloads, and endpoint infrastructure across multiple DoD enclaves. This role provides direct operational support to engineering efforts and contributes to the stability, performance, and security posture of mission systems. What You Will Do: Manage and support Windows Server environments (2016/2019/2022), including Active Directory, DNS, DHCP, and Group Policy. Administer Windows 11 virtual desktop clients (VDI) - deploying images, enforcing policies, and optimizing performance. Support and maintain VMware virtual infrastructure, including ESXi hosts and guest VMs, in collaboration with virtualization engineers. Apply and validate DISA STIGs on Windows systems; remediate findings in support of POA&M closure. Execute monthly patching and system updates across enclave endpoints and servers. Monitor system performance, conduct troubleshooting, and escalate complex issues to IT engineering leads. Maintain backup schedules, perform test restorations, and contribute to disaster recovery planning. Create and maintain technical documentation including configurations, patch logs, and incident response records. Provide Tier 2/3 support for technical issues across NETOPS-managed systems. Participate in NETOPS planning and change management activities, ensuring all system changes are coordinated and documented. What We Are Looking For: 9 years relevant experience with bachelor's in related field; 7 years relevant experience with master's in related field; 4 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 13 years relevant experience. Active DoD Top Secret/SCI clearance. Required: CompTIA Security+ (DoD 8570 baseline). Preferred: Bonus Points For... Microsoft Certified: Windows Server Hybrid Administrator Associate VMware Certified Professional (VCP) or VCTA GIAC Security Essentials (GSEC) Microsoft 365 Certified: Modern Desktop Administrator Associate Physical Requirements: May require working in an office, industrial, or laboratory environment. Capable of climbing ladders and tolerating confined spaces and extreme temperature variances. Why HII: We build the world's most powerful, survivable naval ships and defense technology solutions that safeguard our seas, sky, land, space and cyber. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals. Recognized as one of America's top large company employers, we are a values and ethics driven organization that puts people's safety and well-being first. Regardless of your role or where you serve, at HII, you'll find a supportive and welcoming environment, competitive benefits, and valuable educational and training programs for continual career growth at every stage of your career. Together we are working to ensure a future where everyone can be free and thrive. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, physical or mental disability, age, or veteran status or any other basis protected by federal, state, or local law. Do You Need Assistance? If you need a reasonable accommodation for any part of the employment process, please send an email to
buildyourcareer@hii-co.com
and let us know the nature of your request and your contact information. Reasonable accommodations are considered on a case-by-case basis.
HII Mission Technologies is seeking a Senior System Administrator at our Virginia Beach, VA location. The Senior System Administrator is responsible for the day-to-day administration, maintenance, and security compliance of Windows-based systems, virtualized workloads, and endpoint infrastructure across multiple DoD enclaves. This role provides direct operational support to engineering efforts and contributes to the stability, performance, and security posture of mission systems. What You Will Do: Manage and support Windows Server environments (2016/2019/2022), including Active Directory, DNS, DHCP, and Group Policy. Administer Windows 11 virtual desktop clients (VDI) - deploying images, enforcing policies, and optimizing performance. Support and maintain VMware virtual infrastructure, including ESXi hosts and guest VMs, in collaboration with virtualization engineers. Apply and validate DISA STIGs on Windows systems; remediate findings in support of POA&M closure. Execute monthly patching and system updates across enclave endpoints and servers. Monitor system performance, conduct troubleshooting, and escalate complex issues to IT engineering leads. Maintain backup schedules, perform test restorations, and contribute to disaster recovery planning. Create and maintain technical documentation including configurations, patch logs, and incident response records. Provide Tier 2/3 support for technical issues across NETOPS-managed systems. Participate in NETOPS planning and change management activities, ensuring all system changes are coordinated and documented. What We Are Looking For: 9 years relevant experience with bachelor's in related field; 7 years relevant experience with master's in related field; 4 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 13 years relevant experience. Active DoD Top Secret/SCI clearance. Required: CompTIA Security+ (DoD 8570 baseline). Preferred: Bonus Points For... Microsoft Certified: Windows Server Hybrid Administrator Associate VMware Certified Professional (VCP) or VCTA GIAC Security Essentials (GSEC) Microsoft 365 Certified: Modern Desktop Administrator Associate Physical Requirements: May require working in an office, industrial, or laboratory environment. Capable of climbing ladders and tolerating confined spaces and extreme temperature variances. Why HII: We build the world's most powerful, survivable naval ships and defense technology solutions that safeguard our seas, sky, land, space and cyber. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals. Recognized as one of America's top large company employers, we are a values and ethics driven organization that puts people's safety and well-being first. Regardless of your role or where you serve, at HII, you'll find a supportive and welcoming environment, competitive benefits, and valuable educational and training programs for continual career growth at every stage of your career. Together we are working to ensure a future where everyone can be free and thrive. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, physical or mental disability, age, or veteran status or any other basis protected by federal, state, or local law. Do You Need Assistance? If you need a reasonable accommodation for any part of the employment process, please send an email to
buildyourcareer@hii-co.com
and let us know the nature of your request and your contact information. Reasonable accommodations are considered on a case-by-case basis.