Network Engineer (NE3) (Government)

AT&T•Columbia, SC
•Onsite

About The Position

AT&T Global Public Sector is seeking a highly skilled Principal Network Engineer to serve as a senior engineer and Tier 3 technical lead on a large government contract. The role is the final escalation point for critical network incidents and handles deep-dive analysis and resolution of persistent or high-impact issues to support stable, secure, mission-critical IT infrastructure. The engineer collaborates with the PMO on cost-effective solutions, guides technology evolution, and mentors the network support team. This is a full-time onsite role based in Columbia, Maryland, performed at the designated work location five days per week. Relocation is not offered. The required clearance is TS/SCI with polygraph. The stated annual salary range is $108,000–$215,100; individual starting salary may depend on geography, experience, expertise, and education or training.

Requirements

  • Twelve years of experience in programs and contracts of similar scope, type, and complexity.
  • Bachelor’s degree in engineering from an accredited college or university, or four additional years of network engineering experience in place of the degree.
  • Current IAT Level II baseline certification under DoD 8570.01-M, such as Security+, GSEC, or SSCP; certification must be maintained as a condition of employment.
  • Current CCIE (Cisco Certified Internetwork Expert), equivalent certification, or higher; certification must be maintained as a condition of employment.
  • Deep familiarity with routers, switches, firewalls, and network services such as DNS and DHCP.
  • Demonstrated success leading large-scale, complex network architecture projects.
  • Proven ability to provide technical leadership and mentorship across multidisciplinary teams.
  • Superior communication, consulting, and documentation skills.
  • Experience interfacing with senior stakeholders, technical boards, and executive leadership.
  • Ability to work in high-tempo, mission-critical environments and respond to after-hours incidents as required.
  • Ability to occasionally lift up to 50 pounds and work in tight spaces as necessary.
  • Valid driver’s license, acceptable driving record, and eligibility to drive an AT&T company vehicle.
  • Ability to obtain and maintain TS/SCI clearance with polygraph.

Nice To Haves

  • Experience installing and configuring network devices, including firewalls, switches, routers, and cabling, from vendors such as Cisco, Brocade, or Juniper.

Responsibilities

  • Assess, evaluate, and enhance existing networking infrastructure.
  • Architect, document, test, and implement network services and devices, including routers, switches, firewalls, DNS, and DHCP.
  • Develop, maintain, and improve standard operating procedures for network operations.
  • Lead capacity planning and modeling to support strategic decisions and network scalability.
  • Research and recommend cost-effective network solutions and emerging technologies.
  • Design and execute contingency plans for network software and hardware failures, including isolated and major outages.
  • Provide expert consulting, technical guidance, and leadership to technical review boards, configuration control boards, developers, engineers, and senior managers.
  • Lead network upgrade projects through design, testing, deployment, and optimization.
  • Ensure network activities comply with applicable standards and are documented in accordance with government and organizational policies.
  • Serve as the Tier 3 technical lead and final escalation point for critical incidents; analyze and resolve persistent or high-impact network issues.
  • Mentor the network support team and collaborate with the PMO on solutions for customer requirements and evolving business needs.
  • Respond to after-hours incidents as required.

Benefits

  • Medical, dental, and vision coverage
  • 401(k) plan
  • Tuition reimbursement program
  • Paid time off and holidays, including at least 23 vacation days each year and 9 company-designated holidays, based on date of hire
  • Paid parental leave
  • Paid caregiver leave
  • Additional sick leave may be available beyond what state and local law require; it is unprotected
  • Adoption reimbursement
  • Short-term and long-term disability benefits
  • Life and accidental death insurance
  • Supplemental critical illness, accident, hospital indemnity, and group legal programs
  • Employee Assistance Programs (EAP)
  • Employee wellness programs
  • Employee discounts up to 50% on eligible AT&T mobility plans and accessories, AT&T internet and fiber where available, and AT&T wireline phone
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