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Network Implementation Engineering Lead (Network Engineer Level III) Government

Chantilly, Virginia

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Job Description:

This position requires office presence of a minimum of 5 days per week and is only located at customer's site. No relocation is offered.

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 National Security Team supports the intelligence community, providing, operating, and assuring critical voice, video

and collaboration services for the full spectrum of operations.

AT&T has an opening for a Network Implementation Engineering Lead to support the Intelligence Sector. This position is responsible for the delivery and implementation of customer network requirements within the constraints of Service Level Agreements (SLAs) and the contract. These customer requirements cover all segments of the customer enterprise infrastructure to include CAN/LAN, wide area networks, and cybersecurity related infrastructure.  

Job Duties/Responsibilities:

  • Responsible for the overall health and wellness of the workforce in your area of responsibility
  • Oversee daily operations and set performance objectives for the network engineering team.
  • Ensure mapping of resources, activities, and manage as per timelines and budget constraints.
  • Secure long-term client relationships by maintaining effective customer relations
  • Ensuring internal standards and procedures are followed.
  • Ability to operate in a demanding and fast-paced environment.
  • Interpret customer requirements and apply standard network design approaches for service delivery into the operational baseline.
  • Fully document network designs with diagrams, bill of materials, cabling sheets, configurations, and other supporting documents.
  • Provide technical expertise to network engineers and technicians.
  • Solve tough problems with innovative and scalable solutions.
  • Develop secure network designs including configurations that align with Defense Information Security Agency (DISA) Security Technical Implementation Guides (STIGs) and enterprise policies.
  • Provide Tier III level incident management support to subordinate TII network teams.

Required Clearance:

TS SCI with Poly (#tssci) (#polygraph)

Required Qualifications:

Candidate must have 16 years of experience that can be a combination of work history and education. This equates to a Doctorate and 8 years, master’s and 10 years, bachelor’s and 12 years, associates and 14 years or HS diploma and 16 years. Required qualifications include the following:

  • Must be compliant with DoD 8140 Information Assurance Technical (IAT) Level 2.
  • Experience specific to network engineering to include Tier III or higher network operations and/or network design and implementation.
  • Prior responsibility for production network hardware and software configurations for Cisco, Brocade, and/or Juniper infrastructure.
  • Network engineering and design experience with MPLS WANs and/or similar WAN protocols, network management tools, and firewalls.
  • Hands-on experience implementing and troubleshooting standard routing protocols in a production network, such as Open Shortest Path First (OSPF) or Border Gateway Protocol (BGP)
  • Hands-on experience implementing and troubleshooting standard switching and trunking protocols in a production network, such as Virtual Local Area Networks (VLANs), 802.1q, and port-channels.
  • Must have at least 5 years of supervisory and/or management experience of network engineering or operations teams
  • Proficient in working with cryptographic devices such as KG-175s and KG-142s. 

Desired Qualifications:

  • Experience should include application of industry standards, developing configurations, and integration of solutions into production environments.
  • Expert knowledge of routing and switching protocols and the ability to demonstrate knowledge through briefings and documentation. Extensive BGP experience a plus.
  • Cisco Certified Network Professional (CCNP), Juniper equivalent knowledge.
  • Initiative and disciplined to work unsupervised as part of a network engineering team.
  • Experience establishing process, developing documents, and organizing repositories a plus.

Our Network Implementation Engineering Lead's earn between $89,200 -$170,000. 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:

  • Medical/Dental/Vision coverage
  • 401(k) plan
  • Tuition reimbursement program
  • Paid Time Off and Holidays (based on date of hire, at least 23 days of vacation each year and 9 company-designated holidays)
  • Paid Parental Leave
  • Paid Caregiver Leave
  • Additional sick leave beyond what state and local law require may be available but is unprotected
  • Adoption Reimbursement
  • Disability Benefits (short term and long term)
  • Life and Accidental Death Insurance
  • Supplemental benefit programs: critical illness/accident hospital indemnity/group legal
  • Employee Assistance Programs (EAP)
  • Extensive employee wellness programs
  • Employee discounts up to 50% off on eligible AT&T mobility plans and accessories, AT&T internet (and fiber where available) and AT&T phone

Weekly Hours:

40

Time Type:

Regular

Location:

Chantilly, Virginia

It is the policy of AT&T to provide equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state or local law. In addition, AT&T will provide reasonable accommodations for qualified individuals with disabilities. AT&T is a fair chance employer and does not initiate a background check until an offer is made.

Job ID R-84674 Date posted 09/29/2025
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Benefits

Your needs? Met. Your wants? Considered. Take a look at our comprehensive benefits.

  • Paid Time Off
  • Tuition Assistance
  • Insurance Options
  • Discounts
  • Training & Development

Learn more about benefits

Our hiring process

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Confirm your qualifications align with the job requirements and submit your application.

Assessments

You may be required to complete one or more assessments, depending on the role.

Interview

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Conditional Job Offer

We’ll reach out to discuss a conditional job offer and the next steps to joining the team.

Background Check

Timing is important – complete the necessary actions to proceed with onboarding.

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