Senior Systems Engineer - Enterprise Protected Domain Name Service

General Dynamics Information Technology, Inc.; Apache Flats (AZ); On-site; USD 88,000 - 108,000; Full time

Job summary

General Dynamics Information Technology, Inc. is seeking a Senior Systems Engineer to advance Army network IT capabilities.

You will provide enterprise IT system engineering, RMF compliance, and DNS/DNSSEC support for EP‑DNS in NIPRNET, SIPRNET, and deployed forces contexts, with operations at Fort Huachuca, AZ. You will lead Tier III DNS troubleshooting, documentation, and implementation of EP‑DNS components, Infoblox DDI, and related cyber-security controls, collaborating with a skilled,

Qualifications

• Active Secret clearance required; Top Secret/SCI obtainable post-hire.
• 5+ years of related experience.
• Bachelor's Degree or equivalent experience accepted.
• DoW 8570 IAT Level III Certification and Computing Environment Certification required or obtainable; exam reimbursement available.
• Experience with RMF, DNS, EP‑DNS, and DNSSEC is preferred.
• U.S. Citizenship required.

Responsibilities

• Provide system engineering, capability management, and Tier III service support for EP‑DNS across NIPRNET/SIPRNET/DF environments.
• Lead/coordinate security posture by ensuring RMF compliance and documenting configurations.
• Perform advanced DNS troubleshooting, root-cause analysis, and service restoration; coordinate with teams for system changes.
• Maintain and update system documentation, diagrams, SOPs, and configuration records.
• Install, configure, and support Solaris-based DNS servers, Infoblox DDI, SafeNet appliances, and related JRE environments.

Skills

BIND DNS

DNS

DNS Security

Infoblox DNS

Scripting

Education

Bachelor's Degree

Tools

Solaris DNS

Oracle DB

Infoblox

SafeNet

JRE

Job description

Type of Requisition

Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: BIND DNS Server, Domain Name System (DNS), Domain Name System (DNS) Security, Infoblox DNS, Scripting Certifications: None Experience: 5 + years of related experience US Citizenship Required: Yes

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)

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: Able to obtain DoW 8570 IAT Level III Certification and Computing Environment Certification. (GDIT will reimburse for exam cost after you begin employment)

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.

Salary and Compensation

The likely salary range for this position is $88,130 - $108,100. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

Work Arrangements

Scheduled Weekly Hours: 40 Travel Required: Less than 10% Telecommuting Options: Onsite Work Location: USA AZ Fort Huachuca Additional Work Locations: Total Rewards at GDIT: Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

Identity Verification Process

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.

About Our Work

We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development. Join our Talent Community to stay up to date on our career opportunities and events at gdit.com/tc.

Equal Opportunity Employer

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans Opportunity Owned From working with technologies like AI, cyber and cloud to careers in intelligence and health, we offer endless opportunities to apply your expertise to create a safer, smarter world.

For more information about GDIT's Privacy Policy, click here: Privacy Policy | GDIT