JobCubby JobCubby
Sign up
M

Sr Network Engineer

Meridian Systematics Fairfax County, Virginia, United States · $120K–$150K/yr

Engineering Services · 11-50 employees

Yesterday
network-engineer Principal (10+ yrs) Full-time United States
Log in to apply, save this posting, or score it against your profile with AI.

About the role

The Senior Network Engineer provides Tier III support for data center networks, including architecture design, deployment, and maintenance. They are responsible for ensuring network security compliance, performing complex traffic analysis, and developing standard operating procedures.

What they look for

Data center networking Tier III support LAN/WAN configuration Network security OSPF BGP TCP/UDP flow analysis Cisco Juniper F5 Palo Alto EVPN VXLAN Cisco ACI SD-WAN MS Visio

Requirements

Candidates must have at least 10 years of network engineering experience and an active TS/SCI security clearance. A professional or expert-level certification such as CCNP, F5-CTS, or JNCIP is required.

Benefits

401(k) Dental insurance Flexible schedule Health insurance Paid time off

Full description

Benefits:

  • 401(k)
  • Dental insurance
  • Flexible schedule
  • Health insurance
  • Paid time off

Sr. Network Engineer 

Location: On-site (Customer Location)

Position Summary: 

The Senior Network Engineer delivers Tier III SME-level support across customer Data Center networks, application delivery platforms, and network security environments. This role spans the full lifecycle—from solution design, system integration, and deployment to ongoing operations, maintenance (O&M), and advanced fault management for high-consequence intelligence operations.

Key Responsibilities: 

• Data Center O&M & Architecture: Perform Tier III troubleshooting, maintain LAN/WAN configurations, execute network upgrades, and evaluate emerging technologies for ERB presentation and integration. 

• Deployment & Stage Management: Collaborate with cross-functional system engineers, project managers, and stakeholders to design, deploy, and scale network solutions on established timelines. 

• Security & Performance Management: Ensure network integrations comply with DoD STIGs and customer standards; integrate systems into availability frameworks and execute change management protocols. 

• Analysis & Diagnostic Operations: Perform complex TCP/UDP application flow analyses using network analyzers; coordinate with vendor/Tier IV support to resolve hardware/software anomalies. 

• Documentation & Standard Operating Procedures: Develop SOPs, network architecture diagrams, and troubleshooting procedures to standardize O&M workflows and support team operations.

Required Qualifications: 

• Clearance & Polygraph: Active TS/SCI security clearance; willing to take a Counterintelligence (CI) Polygraph. 

• Experience: 10+ years of network engineering experience, with a heavy focus on data center networking technologies and independent project management. 

• Certifications: Professional or expert-level certification required (minimum CCNP, F5-CTS, or JNCIP). 

• Routing & Network Protocols: SME-level expertise with dynamic routing protocols (OSPF, BGP) and TCP/UDP application flow analysis using built-in diagnostic tools and external analyzers. 

• Tools & Documentation: Proficiency with MS Visio for network architecture mapping; strong written and verbal presentation skills.

Preferred Qualifications: 

• Expert Certifications: CCIE, F5-CSE, or JNCIE. 

• Data Center Architecture: Hands-on experience with EVPN, VXLAN, Cisco vPC, Cisco ACI, F5 load balancing, RSTP, and SD-WAN. 

• Hardware & OS: Deep familiarity with Cisco, Juniper, F5, and Palo Alto platforms.

Similar roles