Sr. Network Engineer

Senior Network Engineer

Frederick, MD (Hybrid)

$127,500 – $170,000

PTO, Paid Holidays, Medical, Dental, Vision, 401(k), Sick Leave (as required by law)

Seeking a Senior Network Engineer to lead the design, architecture, modernization, and optimization of enterprise network infrastructure across on‑premises and cloud environments. This individual will serve as the network subject matter expert, driving network strategy, scalability, security, automation, and cloud networking initiatives that support business growth and digital transformation.

• Define and maintain enterprise network standards, reference architectures, and engineering best practices.
• Design scalable, secure, and high‑performing network solutions for enterprise and cloud environments.
• Lead network modernization initiatives including:
  • Zero Trust Architecture
  • SD‑WAN
  • Cloud‑native networking
  • Legacy infrastructure migration and decommissioning
• Design and support hybrid cloud networking, including Azure hub‑and‑spoke architectures, routing, and segmentation.
• Drive network automation, Infrastructure‑as‑Code (IaC), and policy‑based networking.
• Introduce AIOps and telemetry‑driven monitoring to improve reliability and proactive issue resolution.
• Partner with Cybersecurity, Application Development, Infrastructure, Data, and Product teams to deliver secure and performant solutions.
• Provide technical leadership and oversight to managed service providers and network operations teams.
• Serve as Tier 3 escalation support for complex network incidents and root‑cause analysis.
• Develop and maintain network documentation, standards, diagrams, and operational runbooks.
• Manage relationships with network vendors, carriers, and service providers.
• Mentor junior engineers and provide technical leadership across the network team.

Education & Certifications

• Bachelor’s degree in Computer Science, Engineering, or equivalent experience.
• Preferred certifications:
  • Cisco CCNP
  • Cisco CCIE (Enterprise Infrastructure, Data Center, or Security)

Experience

• 8+ years of enterprise network engineering experience.
• Strong experience configuring and supporting:
  • Routers
  • Switches
  • Firewalls
  • Load Balancers
  • VPN Technologies
  • QoS

• Advanced knowledge of:
  • BGP
  • OSPF
  • IPSec
  • DMVPN
  • VPC
  • 802.1X
  • QoS
• Experience with:
  • Cisco IOS
  • Cisco IOS‑XE
  • Cisco NX‑OS
• Hands‑on experience with:
  • Cisco Catalyst, ISR, ASR, Nexus, ASA/FTD
  • Palo Alto Firewalls
  • F5
  • Net Scaler
  • Riverbed
• Experience with network monitoring, troubleshooting, and performance analysis tools.
• Strong understanding of enterprise networking architecture and hybrid cloud connectivity.

• Azure networking and hybrid cloud design.
• Zero Trust, SASE/SSE, and secure hybrid networking architectures.
• Network automation and scripting.
• Infrastructure‑as‑Code frameworks.
• Experience supporting large‑scale enterprise environments.

• Strong verbal and written communication skills.
• Ability to communicate technical concepts to both technical and business stakeholders.
• Proven leadership, mentorship, and cross‑functional collaboration abilities.