Senior Network Engineer
About The Position
DRCG is seeking a highly motivated, Senior Network Engineer, to support a federal customer's goals to modernize and transform their IT environment to efficiently deliver new technologies to their workforce. The Senior Network Engineer provides Tier 3 engineering and operational support for classified and unclassified networks across a large, globally distributed enterprise. This role requires deep technical expertise, strong operational discipline, and the ability to collaborate across security, cloud, and infrastructure teams while supporting mission-critical systems. The engineer will support hundreds of domestic and international locations and operate across on-premise datacenters, campus networks, WAN, and cloud environments. Current CCNP certification (Route SwitchEnterprise) and Application Centric Infrastructure (ACI) experience required. Job Location:. Merrifield, VA (3-days on-site)
Requirements
- Expert knowledge of Layer 2 / Layer 3 networking including routing, switching, and troubleshooting at scale
- Strong experience with LAN, WAN, and global network optimization
- Understand Dynamic Multipoint VPN (DMVPN) environments
- Experience supporting campus networks across large user populations
- Operational experience with wireless network design, deployment, and troubleshooting
- Support for network applications installed on client workstations
- Operational support for on-premise datacenter networks
- Experience with datacenter load balancing (design, configuration, and troubleshooting)
- Strong understanding of high availability, redundancy, and failure domains
- Ability to troubleshoot complex east-west and north-south traffic flows
- Provide engineering and operational support for cloud networking in: Amazon Web Services (AWS), Microsoft Azure
- Experience with: Hybrid cloud connectivity, Cloud routing and security constructs, Integration between cloud and on-premise environments
- Strong working knowledge of VMware environments
- Understanding of network integration with virtualized workloads
- Experience troubleshooting network issues in virtualized datacenters
- Experience designing and supporting network access security solutions
- Strong expertise with 802.1X authentication
- Hands-on experience with Cisco Identity Services Engine (ISE) including: Policy enforcement, Authentication/authorization, Integration with enterprise identity services
- Ability to operate effectively in high-pressure, mission-critical environments
- Strong troubleshooting methodology and root-cause analysis skills
- Experience supporting strict change management and approval processes
- Excellent written and verbal communication skills
- Ability to mentor junior engineers and contribute to team standards
- Strong documentation discipline and operational rigor
- Experience supporting classified and unclassified networks
- Ability to follow federal security, compliance, and operational requirements
- Active or ability to obtain appropriate security clearance (as required)
- 7+ years of relevant experience
- Bachelors degree in a related field or relevant work experience
- Current CCNP certification (Route SwitchEnterprise) and Application Centric Infrastructure (ACI) experience required.
Nice To Haves
- Experience supporting large federal or law-enforcement enterprise environments
- Exposure to global network operations
- Prior work in high-availability, 24x7 operational environments
- Cisco ACI
- Cisco NDO
- Cisco FirePower or other firewall experience
- F5 configuration
- ServiceNow
- Active/current Secret Clearance is required at the time of hire.
Responsibilities
- Provide Tier 3 senior-level support for network design, implementation, deployment, and sustained operations across the Drug Enforcement Administration (DEA) enterprise
- Support classified and unclassified environments, ensuring operational continuity, security compliance, and high availability
- Act as a technical escalation point for complex network incidents, outages, and performance issues
- Participate in architecture reviews, design sessions, and implementation planning
- Collaborate with Security, Cloud, Systems, and Application teams to ensure integrated solutions
- Support global operations, including after-hours support and maintenance windows as required
- Develop and maintain engineering documentation, diagrams, and operational runbooks
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What This Job Offers
Job Type
Full-time
Career Level
Senior
Number of Employees
1-10 employees
