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
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QualificationsRequired 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
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Peraton OverviewPeraton 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. EEOEEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.Skills Required
- Minimum 12 years of experience as a Network Security Engineer or related role supporting DoD/IC programs
- Bachelor's degree in Computer Science, Cybersecurity Engineering, Systems Engineering, Network Engineering, or a related discipline; alternatively, 4 additional years of experience may substitute for the degree
- At least 5 years of experience with security software and hardware across Juniper, FORE, and Cisco routers and switches
- Experience installing and supporting network telecommunications infrastructure
- Expert-level network security knowledge
- Hands-on knowledge and troubleshooting experience with LAN/WAN, VLANs, and VoIP
- Hands-on knowledge and troubleshooting experience with RIP, OSPF, and EIGRP routing
- Hands-on knowledge and troubleshooting experience with AAA/TACACS authentication
- Hands-on knowledge and troubleshooting experience with Juniper, FORE, and Cisco ACLs
- Experience implementing and troubleshooting VPN and IDS/IPS products or equivalent
- Experience designing, implementing, securing, or operating Software Defined Networking solutions
- Experience supporting security compliance, including planning, assessments, audits, evidence collection, and control implementation or validation
- Active/current Cisco Certified Network Associate (CCNA) certification
- Cisco Certified Network Professional (CCNP) certification or documented progress exceeding 50% toward completion
- Active TS/SCI security clearance with a current polygraph
- Experience supporting DoD/IC customers and multi-enclave or multi-domain architectures
- Experience with RMF/ATO processes, control validation, and POA&M support
- Hands-on experience with controller-based networking, overlays, microsegmentation, or policy-as-code concepts
- Experience with IDS/IPS tuning, VPN design at scale, and secure segmentation in hybrid environments
- Ability to author technical documentation and brief technical and non-technical stakeholders
Peraton Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Peraton and has not been reviewed or approved by Peraton.
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Healthcare Strength — Healthcare offerings are described as broad, including medical, dental, vision, mental health support, and specialty programs like virtual physical therapy and surgical/cancer care navigation. Medical coverage is also characterized as a standout part of the overall package in terms of perceived quality.
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Retirement Support — Retirement support includes a 401(k) with employer matching and is repeatedly positioned as a strong component of total rewards. The 401(k) benefit is frequently singled out as one of the most valued parts of the package.
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Leave & Time Off Breadth — Time-off benefits are positioned as robust, including PTO, holidays, paid sick days, and floating holidays, with some roles offering notably generous accrual. Leave breadth is reinforced by related programs such as short/long-term disability and bereavement leave.
Peraton Insights
What We Do
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.
Why Work With Us
We are fearlessly solving the world’s most complex challenges to keep people safe and secure. You can be a part of protecting and promoting that freedom around the world.









