Peraton · 1 week ago
Senior Network Security Engineer (SDN / Multi-Enclave)
Peraton is a next-generation national security company that drives missions of consequence spanning the globe. They are seeking a Senior Network Security Engineer to provide technical leadership for secure design, implementation, and sustainment of network architectures across multiple enclaves, and to support government customers in establishing trusted relationships among systems.
Information TechnologyRobotics
Responsibilities
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
Qualification
Required
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
This position requires US Citizenship and an active/current TS/SCI w/ Polygraph
Preferred
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
Benefits
Employees may be eligible for overtime
Shift differential
Discretionary bonus
Company
Peraton
Peraton Fearlessly solving the toughest national security challenges.
Funding
Current Stage
Late StageRecent News
2025-09-25
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