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AT&T

Lead System Engineer (Government)

4807 Stonecroft Blvd, Chantilly, VA

Full-time · $118k–$252k (as posted)

First seen by offpeak October 4, 2026

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This position requires office presence of a minimum of 5 days per week and is only located at customer's site.

AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government.   We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to our customers’ mission.

Our AT&T National Security organization supports our Nation’s Intelligence Community, operating and assuring critical data, voice, video, and collaboration services for the full spectrum of intelligence operations.

AT&T is seeking an experienced Lead System Engineer to support a professional services effort for a U.S. Government customer in the Washington, DC metropolitan area. This role will focus on the design, development, operation, and maintenance of mission communications systems, services, and supporting infrastructure. Key responsibilities include designing, installing, configuring, implementing, and maintaining customer mission solutions. The role requires technical expertise across multi-platform and multi-vendor applications, virtual environments, and SIP-based real-time communications applications. The Lead System Engineer will collaborate with a matrixed team of voice, network, and systems engineers to deliver complex solutions that support the customer’s mission objectives. We are seeking a highly motivated individual with strong critical thinking skills, attention to detail, and effective communication skills. The candidate must be comfortable working collaboratively to develop and deliver customer-focused solutions. This is a full-time position located on the customer’s premises.

Job Duties/Responsibilities:

Required Clearance:

TSSCI with poly (#tssci) (#polygraph)

Required Qualifications:

B.S. in Computer Science, Information Technology, Telecommunications or similar.

       *Education requirements are flexible depending on experience

The following skills / prerequisites required: 

Minimum 5-10 years of working experience designing, configuring, implementing, and maintaining enterprise class system solutions to include:

- Candidate must be strong in analytical thinking and problem solving to investigate and troubleshoot problems, inefficiencies, and performance issues. Familiar with tools and methods for analyzing, monitoring, and troubleshooting network issues or outages when they arise and demonstrated ability to diagnose and resolve network and application problems using rigorous logic.

- Candidate should also have strong interpersonal communication skills to collaborate effectively with engineering team and the Sponsor daily.

- Effectively provide training to Tier-1 to 3 staff on process and procedures relating to implementation, configuration, and support of voice solutions

- Occasional travel to other Sponsor locations within the Washington Metro Area and domestic required.

- Candidate should demonstrate a commitment to continuous learning/education both on and off the job to further enhance and develop skills and expertise.

Desired Qualifications:

-Professional Certifications: 

- Experience with database administration (Oracle, MySQL, PostGres)

- Experience with implementing CIS/STIG benchmarks for cybersecurity baselines configurations of Windows and RHEL

- Experience with bash scripting (Bash, Python, Perl) and automation tools (Ansible, Puppet)

- Experience with data and event management and analytics tools such as Splunk

- Experience with network management applications

- Experience with virtualization environments, VMWare/vSphere or equivalent

Our Lead System Engineer's earn between $118,000 - $251,700. Not to mention all the other amazing rewards that working at AT&T offers. Individual starting salary within this range may depend on geography, experience, expertise, and education/training.

Joining our team comes with amazing perks and benefits:

Weekly Hours:

40

Time Type:

Regular

Location:

Chantilly, Virginia

AT&T and its subsidiaries are committed to equal employment opportunity. All hiring, promotion, and other employment decisions remain merit-based and free from discrimination on the basis of race, color, religion, religious creed, national origin, ancestry, age, sex, sexual orientation, gender, gender identity, gender expression, physical disability, mental disability, pregnancy, medical condition, genetic information, marital status, citizenship status, military status, veteran status, or any other characteristic protected by federal, state, or local laws. In addition, AT&T will provide reasonable accommodations to qualified individuals with disabilities. AT&T is a fair chance employer and does not initiate a background check until an offer is made. Click here to learn more or request an application accommodation here.

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