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Tier Three Engineer Jobs in Virginia (NOW HIRING)

ActioNet

Network Operations Engineer Tier 3 SR

Vienna, VA · On-site

$220K/yr

Description ActioNet is seeking a Senior Network Operations Engineer (Tier III) to join our team in the DMV area. Travel is required for this position. This is a Mission Essential position designated ...

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Tier Three Engineer information

What is the difference between Tier Three Engineer vs Tier Two Engineer?

AspectTier Three EngineerTier Two Engineer
CertificationsAdvanced certifications (e.g., Cisco CCNP, CompTIA Network+)Entry to mid-level certifications (e.g., Cisco CCNA, CompTIA A+)
Work EnvironmentComplex troubleshooting, system design, and advanced supportRoutine maintenance, basic troubleshooting, and user support
Employer & Industry UsageIT service providers, large enterprises, network infrastructureSmall to medium businesses, internal IT teams
Search & Comparison IntentUnderstanding advanced support roles, career progressionBasic support roles, entry-level positions

In summary, a Tier Three Engineer handles more complex issues, requires advanced certifications, and works in larger, more technical environments compared to a Tier Two Engineer, who focuses on routine support and basic troubleshooting.

What is a Tier Three Engineer?

A Tier Three Engineer is a senior technical support or network engineer responsible for resolving complex issues that Tier One and Tier Two support cannot handle. They often troubleshoot advanced hardware, software, or network problems, and may work with specialized tools and certifications such as Cisco or Microsoft to ensure system stability and performance.

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For Tier Three Engineer jobs in Virginia, the most frequently searched job titles are:

What job categories do people searching Tier Three Engineer jobs in Virginia look for?

The top searched job categories for Tier Three Engineer jobs in Virginia are:

What cities in Virginia are hiring for Tier Three Engineer jobs?

Cities in Virginia with the most Tier Three Engineer job openings:

Tier Three Engineer jobs near you
Infographic showing various Tier Three Engineer job openings in Virginia as of August 2026, with employment types broken down into 1% As Needed, 86% Full Time, 10% Part Time, and 3% Contract. Highlights an 94% Physical, 3% Hybrid, and 3% Remote job distribution.

Tier III Network Engineer - Expert (Government)

AT and T

Mclean, VA • On-site

$89K - $198K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 23 days ago

AT&T rating

7.3

Company rating: 7.3 out of 10

Based on 729 frontline employees who took The Breakroom Quiz

53rd of 99 rated telecommunications companies

Job description

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:
40
Time Type:
Regular
Location:
Mclean, 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.

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