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Network Engineer

RSCY Consultants, LLC

Posted 1 week ago
Top Secret
Senior Level Career (10+ yrs experience)
$126,100 - $210,000
IT - Networking
Wash, DC (On-Site/Office)

Network Engineer
Location: Washington, District of Columbia
Category: Cyber Infrastructure Support
Schedule (FT/PT): Full Time
Travel Required: No
Shift: Day
Remote Type: No Remote
Clearance: Top Secret
Pay Range: $175,000.00 - $210,000.00 / 1099 or C2C Opportunity as well.

The Network Engineer (with Firepower experience preferred) is responsible for designing, implementing, and maintaining secure, highly available network infrastructure in support of the Department of Homeland Security. This role blends traditional network engineering (routing, switching, wireless, WAN) with hands-on security responsibilities, including firewall management, VPN design, network segmentation, and support for vulnerability management and compliance activities.

The ideal candidate has deep experience with Cisco-based enterprise networking and Firepower firewalls, is comfortable in complex, mission-critical environments, and collaborates closely with cybersecurity, systems engineering, and operations teams.

Implement and maintain secure network architectures (e.g., segmentation, zoning, DMZs, zero-trust-aligned designs) in accordance with organizational policies and industry best practices.

Support vulnerability management efforts by assisting with scans, reviewing network-related findings, and implementing remediation (e.g., ACL changes, firewall rule updates, network device patching).

Monitor network performance, availability, and security using enterprise monitoring tools; identify and resolve issues proactively.

Create and maintain network documentation, including diagrams, IP address management, configuration baselines, and SOPs.

Participate in incident response activities involving network components (e.g., traffic captures, log analysis, isolation/containment actions).

Basic Qualifications

Bachelor's degree and (12)+ years of prior relevant experience or Masters with (10)+ years of prior relevant experience.

US Citizen, An active TS/SCI security clearance is required.

10+ years of hands-on experience as a Network Engineer (or similar role) supporting enterprise networks.

Strong experience with Cisco routing and switching (e.g., BGP, OSPF, EIGRP, VLANs, STP, EtherChannel, QoS) in medium-to-large enterprise environments.

Demonstrated experience managing Cisco firewall/VPN solutions (e.g., ASA, Firepower).

Strong troubleshooting skills across OSI layers 1–7, including packet capture and analysis (e.g., Wireshark).

Excellent written and verbal communication skills, with the ability to document and explain complex technical topics to both technical and non-technical stakeholders.

Preferred Qualifications

Master’s degree from an accredited college or university in IT Management, Engineering, or related field
Proven experience (10+ years) in IT service delivery management
Experience with Everfox User Activity Monitoring products and platforms
Experience with Everfox High Speed Guard Platform
Experience with Cisco, Juniper LAN/WAN network infrastructure
Experience with Palo Alto Firewalls
DHS Cleared preferred
CCNP or Higher
ForcePoint/FirePower Experience
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Job Category
IT - Networking
Clearance Level
Top Secret