Tier III Network Engineer - Expert (Government)
Confirmed on the employer's own hiring board on Nov 3, 2026. First seen by Alion on Sep 9, 2026. AT&T scores A on the Alion truth index.
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 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 Tier 3 Network Engineer to support the 24x7 Network Operations Center in providing Tier 3 network service and superior troubleshooting expertise.
Job Duties/Responsibilities:
- Provide Tier 3 support to the Network Operations Center (NOC).
- Supports an organization's local area network (LAN), wide area network (WAN), customer networks, Intranet and Internet and other data communications systems or a segment of a network system.
- Monitor network to ensure network availability to all system users and perform necessary maintenance to support network availability.
- Maintain network hardware and software.
- Proactively identify risks in the network and develop a plan to mitigate them.
- Supports numerous business requirements for telecommunications (e.g., LAN, MAN, WAN, Voice and Video).
Required Clearance:
TSSCI with poly (#tssci) (#polygraph)
Required Qualifications:
- Advanced networking qualifications including MPLS, BGP, OSPF, LAMBDA. LAN/MAN/WAN/Optical specialization.
- Utilization of common ticket systems (Remedy, ServiceNow) and common network management tools (HPOV, HPNA, Solarwinds, MNS, Netcool, etc).
- Must have hands on troubleshooting and fault isolation of IT business systems.
- Must have a strong understanding of the OSI model and configuration of routing protocols such as EIGRP, OSPF, MPLS, BGP, LDP.
- Candidate must have a total of 12 years of applicable experience. The experience can be a combination of degree and work history. This can be a High School degree and 12 years of work history OR an Associate’s and 10 years, a Bachelors’ and 8 years, a Masters and 6 years or a PhD and 4 years of work history.
Desired Qualifications:
- Preferred network certifications Cisco CCNA, CCNP, CCIE, Juniper JNCIA, JNCIS, or JNCIE, ITIL Foundations, and/or CISSP
Our Tier 3 Network Engineer - Expert's earn between $89,200 - $198,358. 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:
40Time Type:
RegularLocation:
Mclean, VirginiaAT&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.