Sr Network Engineer

Meridian Systematics; St. Louis (MO); On-site; USD 140,000 - 190,000; Full time

Benefits offered by this job

401(k)

Dental insurance

Flexible schedule

Health insurance

Paid time off

Vision insurance

Job summary

Meridian Systematics is seeking a Senior Network Engineer to deliver Tier III SME-level support across data center networks, application delivery platforms, and security environments. You will lead design, integration, deployment, and ongoing operations within high-consequence environments supporting DoD-related systems.

Responsibilities include data center O&M and architecture, deployment collaboration, security and performance management per STIGs, complex diagnostic analysis, and developing

Qualifications

• Active TS/SCI security clearance and willingness to take CI Polygraph.
• 10+ years of network engineering experience with data center networks.
• Professional or expert-level certifications: CCNP, F5-CTS, or JNCIP.
• SME-level routing protocols (OSPF/BGP) and TCP/UDP analysis.

Responsibilities

• Data Center O&M & architecture: troubleshoot, maintain LAN/WAN, upgrades.
• Deployment & stage management: design, deploy, scale network solutions.
• Security & performance management: comply with DoD STIGs and standards.
• Analysis & diagnostic operations: complex traffic analyses and vendor coordination.
• Documentation & SOPs: create diagrams and procedures for standardization.

Skills

Data Center Networking

Network Troubleshooting

Documentation

Vendor coordination

Education

CCNP

F5-CTS

JNCIP

CCIE

Tools

MS Visio

Diagnostic tools

Job description

Benefits:

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

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.