Senior Network Security Engineer (SDN / Multi-Enclave)

peraton· Cyber Security
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📍 College Park, MD, USFULL TIME

About this role

Responsibilities

Peraton Labs is seeking a poly cleared Senior Network Security Engineer (SDN / Multi-Enclave) to provide senior technical leadership for the secure design, implementation, and sustainment of network and system architectures across multiple enclaves, including environments with different data protection and classification requirements. In this role you will lead security planning and risk activities, recommend system-level solutions to meet security requirements, and support our MD-based government customer in establishing and enforcing trusted relationships among external systems and architectures. The ideal candidate for this role will bring deep expertise in Software Defined Networking (SDN) and demonstrated security compliance experience within government programs of similar scope and complexity.

 

This position requires full-time on-site work at a customer site near College Park, MD.

 

Responsibilities within this role may include:

  • Design, engineer, and validate secure network/systems solutions spanning multiple enclaves with varying security boundaries and classification levels
  • Recommend and implement system-level security solutions to satisfy mission, compliance, and operational requirements
  • Perform and support security planning, assessments, risk analysis, risk management, including documentation and briefing of risk decisions and mitigations
  • Support our government customer in enforcing the design and implementation of trusted relationships among external systems and architectures (e.g., interconnections, cross-domain dependencies, boundary protections)
  • Engineer and secure SDN-enabled architectures (i.e. controller/overlay models), ensuring segmentation, policy enforcement, and strong access control
  • Install, configure, harden, troubleshoot, and support network telecommunications infrastructure and security capabilities
  • Develop/maintain network security artifacts such as security design packages, interface control documentation, diagrams, and compliance evidence
  • Conduct root-cause analysis of security or connectivity issues and implement corrective actions that preserve mission availability and security posture
  • Provide technical guidance to teams and stakeholders; participate in design reviews, security reviews, and change control activities

#MDFSP

#PLABS26

Qualifications

Required qualifications

  • Minimum of 12 years of experience as a Network Security Engineer (or related role) supporting DoD/IC programs, and a Bachelor’s in Computer Science, Cybersecurity Engineering, System Engineering, Network Engineering or related discipline. 4 years of additional experience may be accepted in lieu of a bachelor’s degree (for a total of 16 years of experience)
  • 5+ years of experience demonstrating principles, theories, methods, and techniques of security software (IOS) and hardware across Juniper, FORE, and Cisco routers/switches
  • Demonstrated experience in the installation and support of network telecommunications, with expert-level network security knowledge
  • Hands-on knowledge and troubleshooting experience with:
    • LAN/WAN, VLANs, VoIP
    • Routing: RIP, OSPF, EIGRP
    • Authentication: AAA/TACACS
    • Security controls: Juniper/FORE/Cisco ACLs
  • Experience implementing and troubleshooting secure network products such as VPNs and IDS/IPS (or equivalent)
  • Demonstrated experience designing, implementing, securing, or operating Software Defined Networking solutions
  • Demonstrated experience supporting security compliance (planning, assessment, audit support, evidence collection, control implementation/validation)
  • An active/current Cisco Certified Network Associate (CCNA) certification is required for this role; additionally, you should have or have documented (over 50%) progress toward completion of a Cisco Certified Network Professional (CCNP) certification
  • Active TS/SCI security clearance with a current polygraph is required.

 

Additional preferred qualifications

  • Experience supporting DoD/IC customers and multi-enclave/multi-domain architectures
  • Experience with security engineering in regulated frameworks (e.g., RMF/ATO processes, control validation, POA&M support)
  • Hands-on with SDN platforms/approaches (controller-based networking, overlays, micro segmentation, policy-as-code concepts)
  • Experience with IDS/IPS tuning, VPN design at scale, and secure segmentation patterns in hybrid environments
  • Ability to author high-quality technical documentation (design packages, CONOPs, SOPs, diagrams) and brief technical + non-technical stakeholders

 

#MDPM

#MDFSP

Peraton Overview

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can’t be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we’re keeping people around the world safe and secure.

Target Salary Range

$146,000 - $234,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.

EEO

EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.

Frequently Asked Questions

Is the salary disclosed for the Senior Network Security Engineer (SDN / Multi-Enclave) position at peraton?
The salary for this Senior Network Security Engineer (SDN / Multi-Enclave) role at peraton is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Senior Network Security Engineer (SDN / Multi-Enclave) position at peraton located?
This Senior Network Security Engineer (SDN / Multi-Enclave) role at peraton is based in College Park, MD, US. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Senior Network Security Engineer (SDN / Multi-Enclave) role at peraton full-time or part-time?
This is listed as a FULL TIME position. It is posted as a Senior Network Security Engineer (SDN / Multi-Enclave) role in the Cyber Security department at peraton.
Which team or department does the Senior Network Security Engineer (SDN / Multi-Enclave) at peraton belong to?
This Senior Network Security Engineer (SDN / Multi-Enclave) position is part of the Cyber Security department at peraton. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Senior Network Security Engineer (SDN / Multi-Enclave) position at peraton?
Click the "Apply Now" button on this page. You will be redirected to peraton's official application portal hosted on icims where you can submit your application directly.
When was the Senior Network Security Engineer (SDN / Multi-Enclave) job at peraton posted?
This Senior Network Security Engineer (SDN / Multi-Enclave) position at peraton was posted on May 13, 2026. Apply as soon as possible — early applications are often reviewed first.
Senior Network Security Engineer (SDN / Multi-Enclave)
peraton
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