Network Engineer II – Government

AT&T

Network Engineer II providing enterprise network engineering support for government operations. Responsible for installation, configuration, and operational support of networking devices and systems.

Posted 4/23/2026full-timeColumbia • Maryland • 🇺🇸 United StatesMid-LevelSenior💰 $98,100 - $177,755 per yearWebsite

Tech Stack

Tools & technologies

FirewallsiOSSwitchingTCP/IP

About the role

Key responsibilities & impact

Install, configure, and troubleshoot network routers, switches, load balancers, and security devices in production environments.
Support enterprise security boundaries and access controls, including stateful firewalls and Layer 3/Layer 4 access control policies.
Provide operational support for LAN/CAN/MAN infrastructure, routing/switching services, and VPN technologies (IPsec).
Analyze network performance and reliability using packet capture and benchmarking tools; support incident response and root-cause analysis.
Work in a live call and ticketed environment; document work and track tasking in Remedy or similar systems.
Participate in on-call rotation and support after-hours operational requirements as needed.

Requirements

What you’ll need

Strong knowledge of the TCP/IP protocol stack and common routing and switching protocols.
Strong working knowledge of Layer 2 and Layer 3 protocols and associated troubleshooting practices.
Experience administering and troubleshooting stateful firewalls and Layer 3 access controls.
Hands-on experience with Cisco routing/switching platforms and network operating systems (IOS/NX-OS; CatOS a plus).
Ability to work effectively in operational environments requiring live support, documentation, and disciplined change practices.
Ability and willingness to support on-call requirements.
Five years demonstrable experience (with degree, or 7 without) in network engineering (LAN), architecture, monitoring, security, and protection.
Must have datacenter network design and architecture experience to include installation and configuration of Cisco routers, switches, firewalls, and IPSEC virtual private networks.
IAT level II Required (SEC+; CCNA; GICSP; GSEC; SSCP)

Benefits

Comp & perks

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

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

TCP/IP protocol stackrouting protocolsswitching protocolsLayer 2 protocolsLayer 3 protocolsstateful firewallsCisco routing/switching platformsnetwork operating systemsVPN technologiesnetwork performance analysis

Soft Skills

operational supportdocumentationdiscipline in change practicesability to work in live support environmentsincident responseroot-cause analysison-call support

Certifications

IAT level IISEC+CCNAGICSPGSECSSCP