Senior DNS & Infrastructure Engineer (SME)

Job Description

BAE Systems, a top-ten prime contractor to the U.S. Department of Defense, enables the U.S. government to transform data into intelligence and provides engineering, integration and sustainment support for critical military platforms and systems. Intelligence & Security provides services and products to the Department of Defense, the government, federal law enforcement officials, and troops deployed around the world.

At BAE Systems, we promote a strong, collaborative culture and provide our employees with the tools, skills and training they need to succeed. We are all about trust, camaraderie, and a shared ambition to lead the world in defense technologies and national security services. We offer flexible work environment to support the balance in your life and keep you performing at your best. Be a part of a company that is part of the community; driven to improve our future and protect our freedom.

Seeking a Senior DNS & Infrastructure Engineer to join our team. In this position you will play a critical role in designing, securing, and evolving the enterprise DNS and Windows infrastructure across on-premises, hybrid, and multi-cloud environments. Serving as the Subject Matter Expert (SME) for enterprise DNS architecture and Windows-based identity services, you will provide technical leadership, architectural direction, and operational excellence supporting large-scale, mission-critical environments.

In this role, you will lead the design, implementation, security, and lifecycle management of enterprise DNS, DNS Anycast, Active Directory-integrated DNS, and related infrastructure services. You will drive modernization, resiliency, automation, and zero trust initiatives while partnering closely with senior stakeholders across operations, architecture, engineering, networking, and security teams.

The ideal candidate will possess deep expertise in enterprise DNS architecture, cloud-integrated networking, and hybrid identity solutions, including experience with cloud DNS platforms in AWS and Azure. Success in this role requires proven experience delivering SME-level troubleshooting, architecting highly available DNS infrastructures, implementing DNS resiliency and Anycast solutions, and leading enterprise-scale modernization initiatives in fast-paced, high-availability environments.

Required Education, Experience, & Skills

• Bachelor’s degree in Computer Science, Information Technology, or a related field, or equivalent professional experience

• 16+ years of progressively responsible experience in enterprise infrastructure engineering within large-scale environments

• SME-level experience designing and operating enterprise DNS infrastructures in mission-critical environments

• Extensive experience architecting and supporting:

• Enterprise DNS platforms

• DNS Anycast environments

• Hybrid and multi-cloud integrations

• On-premises and cloud-integrated infrastructure

• Disconnected and air-gapped systems

• Hands-on experience administering and architecting:

• Enterprise DNS services

• Strong experience with cloud providers and cloud-native networking services, including:

• AWS (Route 53, VPC networking, hybrid DNS integration)

• Microsoft Azure (Azure DNS, virtual networking, hybrid connectivity)

• Experience designing and supporting highly available (HA) DNS and infrastructure solutions utilizing:

• DNS Anycast

• Load balancing

• Disaster recovery and COOP architectures

• Strong understanding of DNS protocols, name resolution processes, and DNS-related networking concepts

• Proven experience performing security assessments and implementing remediations for critical IT systems

• Demonstrated experience architecting and operating hybrid and multi-cloud environments integrating identity, networking, DNS, and security services

• Expert-level troubleshooting and root-cause analysis across DNS, Windows infrastructure, identity services, and supporting platforms

• Strong proficiency with Windows Server 2019–2025

• Deep understanding of Windows authentication, authorization, and identity services

• Strong working knowledge of:

• Routing and switching

• Firewalls

• Load balancing

• Network segmentation

• Enterprise network design principles

• Strong knowledge of enterprise security principles, zero trust architectures, and secure system design

• Experience developing automation and infrastructure-as-code solutions with an emphasis on repeatability and standardization

• Strong scripting and automation experience using PowerShell and related automation frameworks

• Excellent documentation, technical writing, communication, and stakeholder engagement skills

• Ability to operate effectively in fast-paced, mission-critical, high-availability environments

Preferred Education, Experience, & Skills

• Master’s degree in Computer Science, Information Technology, Cybersecurity, or related field

• Experience designing enterprise-scale DNS architectures for globally distributed environments

• Experience implementing or supporting DNS Anycast deployments in large-scale environments

• Experience supporting hybrid cloud networking and DNS integrations across AWS and Azure

• Experience with:

• Route 53 Resolver

• Azure Private DNS

• NetScaler

• Experience supporting compliance-driven or highly regulated environments

• Experience leading infrastructure modernization initiatives

• Experience with CI/CD pipelines, configuration management, and infrastructure-as-code tooling

• Knowledge of DNS security best practices and DNS threat mitigation techniques

• Strong analytical ability, communication skills, and problem-solving capabilities

• Ability to influence enterprise architectural decisions and technical strategy

Pay Information
Full-Time Salary Range: $149603 - $254317

Please note: This range is based on our market pay structures. However, individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience.

Employee Benefits: At BAE Systems, we support our employees in all aspects of their life, including their health and financial well-being. Regular employees scheduled to work 20+ hours per week are offered: health, dental, and vision insurance; health savings accounts; a 401(k) savings plan; disability coverage; and life and accident insurance. We also have an employee assistance program, a legal plan, and other perks including discounts on things like home, auto, and pet insurance. Our leave programs include paid time off, paid holidays, as well as other types of leave, including paid parental, military, bereavement, and any applicable federal and state sick leave. Employees may participate in the company recognition program to receive monetary or non-monetary recognition awards. Other incentives may be available based on position level and/or job specifics.
About BAE Systems Intelligence & Security BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. Improving the future and protecting lives is an ambitious mission, but it’s what we do at BAE Systems. Working here means using your passion and ingenuity where it counts – defending national security with breakthrough technology, superior products, and intelligence solutions. As you develop the latest technology and defend national security, you will continually hone your skills on a team—making a big impact on a global scale. At BAE Systems, you’ll find a rewarding career that truly makes a difference.

Intelligence & Security (I&S), based in McLean, Virginia, designs and delivers advanced defense, intelligence, and security solutions that support the important missions of our customers. Our pride and dedication shows in everything we do—from intelligence analysis, cyber operations and IT expertise to systems development, systems integration, and operations and maintenance services. Knowing that our work enables the U.S. military and government to recognize, manage and defeat threats inspires us to push ourselves and our technologies to new levels.

This position will be posted for at least 5 calendar days. The posting will remain active until the position is filled, or a qualified pool of candidates is identified.