> Markdown version of [/jobs/ext/1248825-senior-systems-engineer-enterprise-protected-domain-name-service](https://www.wearedevelopers.com/jobs/ext/1248825-senior-systems-engineer-enterprise-protected-domain-name-service). 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). --- # Senior Systems Engineer - Enterprise Protected Domain Name Service - **Company:** General Dynamics Information Technology - **Location:** Sierra Vista, AZ, United States - **Experience:** Expert - **Salary:** $88,130.0 - $108,100.0 - **Contract:** Permanent contract - **Skills:** Systems Engineering, Audit Trail, Configuration Management, Software Documentation, Cyber Security, Information Systems, Computer Networks, Databases, Domain Name System Security Extensions, Domain Name System (DNS), Hyper-V, Issue Tracking Systems, Information Security Management, Information Technology Audit, Internet Protocol, Information Systems Security Architecture Professional, Automation of Marketing, Microsoft Office, Microsoft Visio, NIPRNet, Oracle Databases, Windows PowerShell, Shell Script, Solaris (Operating System), TCP/IP, Network Routers, Enterprise Software Applications, Information Technology, Network Server, Cisco, Vmware - **Published:** July 12, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=8cecc246a5620610 ## About the Role Bring your technology expertise and drive for innovation to GDIT. The Senior Systems Engineer must have: Education: Bachelor's Degree. An additional 4 years of experience may be substituted in lieu of degree. Security Clearance: Active Secret required. In addition, selected candidate must be able to obtain a Top Secret/SCI clearance post hire. Experience: 5+ years of related experience. Certification: DoW 8570 IAT Level III Certification and Computing Environment Certification. Role Requirements: * Experience in System Cybersecurity Management, RMF control implementation, and compliance validation. * Experience applying mitigation actions from security findings and maintaining configuration baselines across EP-DNS lab and production systems. * Demonstrated ability to maintain accurate and current system documentation, diagrams, SOPs, and configuration records. * Ability to support full-time onsite work schedule., 5 + years of related experience * may vary based on technical training, certification(s), or degree Certification Certified Information Systems Security Professional (CISSP) | International Information System Security Certification Consortium (ISC2) - International Information System Security Certification Consortium (ISC2) Certified Information Systems Auditor (CISA) | Information Systems Audit and Control Association (ISACA) - Information Systems Audit and Control Association (ISACA) Certified Network Professional Enterprise (CCNP) | Cisco - Cisco CompTIA SecurityX CE | CompTIA - CompTIA Travel Required Less than 10% Citizenship ## Description Advance how our customers operate while you advance your career. Join GDIT as a Senior Systems Engineer and build an impactful career in enterprise IT, collaborating with people who are driven and resourceful like you. As a Senior Systems Engineer, the work you'll do at GDIT will be impactful to the mission of the Army's Network Enterprise Technology Command. You will play a crucial role in providing Information Technology System Engineering, Capability Management, Tier III and Service Support Management, and Risk Management Framework support to employ Enterprise Protected Domain Name Services to specified Non-Classified Internet Protocol Router Network (NIPRNET), Secret Internet Protocol Router Network (SIPRNET), and Deployed Forces (DF) portion of the Department of War Information Network (DOWIN). Selected candidate will support operations onsite at our Fort Huachuca, AZ facility. MEANINGFUL WORK AND PERSONAL IMPACT: * Lead/Manage/Support by performing all procedures necessary to ensure the security of information systems assets and to protect systems from intentional or inadvertent access or destruction. * Collaborate with your peers to provide planning, design, development, engineering, integration, and technical and operational support to the ADCNOMS project and Army DNS systems. * Drive success by delivering comprehensive technical, logistical, programmatic, accreditation, configuration, maintenance, and operational oversight for EP-DNS, including scheduling, testing, integration, validation, documentation updates, and service reporting. * Ensure the integrity and accuracy of system configurations by maintaining complete and current configuration management records. * Provide Tier III support for EP-DNS and DNS-related infrastructure, performing advanced troubleshooting and service restoration as needed. * Conduct cybersecurity analysis and support RMF compliance activities, including actions required for IAVA-related findings. * Coordinate, review, and maintain system documentation and provide clear guidance on the use and administration of EP-DNS capabilities for personnel at all levels. * Utilize your expertise across Unclassified and Classified networks, including DNSSEC signing and validation, Infoblox DDI configuration, grid management, and IPAM workflows. * Demonstrate strong ability in auditing and troubleshooting ISC BIND, researching IAVM/IAVA vulnerabilities, and developing shell scripts to automate data-gathering tasks in laboratory environments. * Install and configure test-environment components such as Solaris-based DNS servers, Oracle database servers, Infoblox and SafeNet appliances, and JRE environments. Provide Tier III DNS support, performing advanced troubleshooting, root cause analysis, and validation of mission-system changes. * Support operational oversight, service reporting, and thorough documentation within enterprise ticketing systems and audit logs. Demonstrate familiarity with auditing large-scale TCP/IP schemes and experience with Hyper-V, VMware, meta-database environments, PowerShell scripting, the Microsoft Office suite, and Microsoft Visio. * ## Related Videos - [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) - [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) - [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go) - [Generating code with Angular schematics](https://www.wearedevelopers.com/videos/129-generating-code-with-angular-schematics) - [Turning Container security up to 11 with Capabilities](https://www.wearedevelopers.com/videos/718-turning-container-security-up-to-11-with-capabilities) ## Related Articles - [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) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)