Senior Network Engineer

Overview

Hybrid
$80,000 - $100,000
Full Time

Skills

Network
Firewall
LAN
Load Balancing

Job Details

Role: Senior Network Engineer

Work Location: Rockville, MD (Hybrid-60% onsite, 40% remote)

Contract Length: 6+ Month

*The total number of working hours per week is 37.5 Hours

Job Description:

We are seeking a Senior Network Engineer, responsible for leading and maintaining the stability, performance, and security of network systems. This includes hands-on experience with Silverpeak SD-WAN, advanced routing and switching, and strong working knowledge of Cisco ISE and F5 technologies. The role demands proactive monitoring, troubleshooting, and optimization of network services, as well as mentoring junior engineers and collaborating across IT teams to ensure robust connectivity and secure access across the organization.

Required Experience:

  • 5 10 years of hands-on experience in enterprise network engineering.
  • Proven expertise in Silverpeak SD-WAN deployment and management.
  • Advanced knowledge of routing protocols (OSPF, BGP) and switching technologies (VLANs, STP, EtherChannel).
  • Strong working knowledge of Cisco ISE for identity-based network access.
  • Solid experience with F5 BIG-IP platforms for load balancing and traffic management.
  • Familiarity with network monitoring and management tools (e.g., NetFlow, SNMP).
  • Understanding of network security protocols and best practices (SSL/TLS, VPN, ACLs, firewalls).
  • Excellent troubleshooting and analytical skills.
  • Strong communication and documentation abilities.
  • Ability to work independently and collaboratively in a fast-paced, global environment.
  • Must be willing to work onsite at the Rockville location at least three days per week and provide support for off-hours maintenance and on-call duties, which may occasionally require onsite visits..

Education:

  • Bachelor s degree (or equivalent work experience) in Information Technology, Computer Science, Engineering, or a related discipline from an accredited institution.

Responsibilities:

  • Lead and manage enterprise network infrastructure projects, including Silverpeak SD-WAN deployments and integrations.
  • Provide advanced support for routing and switching across LAN/WAN environments using Cisco and other vendor platforms.
  • Configure, maintain, and troubleshoot Cisco ISE for network access control and policy enforcement.
  • Administer and optimize F5 load balancers for application delivery and high availability.
  • Monitor network performance and availability, ensuring compliance with SLAs and rapid resolution of incidents.
  • Conduct root cause analysis of network issues and implement preventive measures.
  • Maintain and update network documentation, including topology diagrams, configuration standards, and operational procedures.
  • Collaborate with data center, application, and security teams to ensure seamless integration and secure network operations.
  • Participate in disaster recovery planning and testing for network resilience.
  • Lead vendor coordination and technical evaluations for network-related procurements and upgrades.
  • Provide mentorship and technical guidance to junior network engineers.
  • Communicate effectively with stakeholders across all levels of the organization to ensure alignment and transparency.
  • Remain on-call for critical network support and maintenance during off-hours and weekends as needed.
  • Perform other related duties as assigned.
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