Senior Systems Engineer - Enterprise Protected Domain Name Service

Public Trust: None

Requisition Type: Regular

Your Impact

Own your opportunity to support our nation's defense. Make an impact by connecting and securing critical operations across the globe, keeping our country safe and secure.

Job 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.

• 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.
  

WHAT YOU’LL NEED TO SUCCEED (Required):
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.

GDIT IS YOUR PLACE:
At GDIT, the mission is our purpose, and our people are at the center of everything we do.

• Growth: AI-powered career tool that identifies career steps and learning opportunities.
• Support: An internal mobility team focused on helping you achieve your career goals.
• Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off.
• Flexibility: Full-flex work week to own your priorities at work and at home.
• Community: Award-winning culture of innovation and a military-friendly workplace
  

OWN YOUR OPPORTUNITY:

• Explore an enterprise IT career at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.

Work Requirements

Years of Experience

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

U.S. Citizenship Required