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Systems Administrator – Security Integration Engineer SME
CyKorSenior Network Architect / Security Integration Engineer serving as technical lead for SDN and cybersecurity initiatives within federal/DOD environments. Focused on architecture, integration, testing, and deployment of advanced security solutions.
Tech Stack
Tools & technologiesAnsibleAWSAzureCyber SecurityFirewallsPythonSwitchingVMware
About the role
Key responsibilities & impact- Serve as the technical lead for the architecture, design, integration, testing, and deployment of Software Defined Networking (SDN), Zero Trust Architecture (ZTA), Software Defined Perimeter (SDP), and Micro-Segmentation capabilities within federal/DOD environments
- Translate mission requirements into secure, scalable network architectures while developing and enforcing advanced security policies that support Zero Trust initiatives
- Lead technical design efforts, develop test strategies, oversee engineering documentation, troubleshoot complex network and security issues, and coordinate directly with government stakeholders, engineering teams, cybersecurity personnel, and enterprise service owners
- Develop High-Level Designs (HLDs) and Low-Level Designs (LLDs) for software-defined networking and security environments
- Ensure interoperability with enterprise transport services, security infrastructure, and mission systems
- Architect and guide deployment of software-defined networking solutions including Cisco SD-WAN, Cisco Software Defined Access (SDA), VMware NSX or equivalent technologies
- Establish automation strategies using APIs, Ansible, Python, and Infrastructure-as-Code methodologies
- Lead design and implementation of Zero Trust Architecture capabilities across enterprise environments
- Develop security policies based on application dependencies, user identity, device posture, and mission requirements
- Validate segmentation boundaries, access control policies, and application dependency mappings
- Ensure designs align with Risk Management Framework (RMF), DISA STIG requirements, NIST Zero Trust Architecture guidance and DoD Cybersecurity policies
- Serve as Tier III escalation authority for SDN, SDP, and micro-segmentation deployments
- Drive delivery discipline ensuring architectures are executable, supportable, secure, and scalable
Requirements
What you’ll need- Bachelor’s Degree in Engineering, Computer Science, Information Systems, Cybersecurity, or related field
- Master’s Degree preferred
- 10+ years of progressive experience supporting enterprise networking, cybersecurity environments and firewall technologies
- 5+ years designing or implementing Software Defined Networking (SDN), Zero Trust Architecture (ZTA) and Enterprise Security Architectures
- Experience supporting federal regulated enterprise environments; ability to work in secure DoDIN environments required
- Active Secret clearance or higher
- Deep expertise in Routing and Switching (BGP, OSPF, MPLS)
- Layer 2 and Layer 3 network architectures
- Network segmentation and security architecture
- Stateful firewalls and policy enforcement
- Zero Trust Architecture
- Software Defined Perimeter concepts
- Micro-segmentation architectures
- PKI and certificate-based authentication
- Active Directory and LDAP integration
- Wireshark or equivalent packet capture and analysis tools
- Automation (Ansible, Python, REST APIs)
- VMware environments
- AWS GovCloud
- Microsoft Azure Government
- Infrastructure orchestration technologies
- Hands-on experience with Cisco SD-WAN, Cisco SDA, Cisco ISE, Firepower (FTD), Palo Alto, or equivalent firewall platforms
- Experience supporting large-scale SD-WAN deployments
- Experience implementing Zero Trust initiatives within federal environments
- Experience with AppGate, Illumio, Guardicore, Zscaler, or equivalent technologies
- Experience developing micro-segmentation policies from application dependency mapping
- Experience supporting federal C5I environments
- Experience in lab-based integration and validation environments
- Required Certifications: Cisco Certified Network Professional (CCNP Enterprise or Security), CompTIA Security+
- Preferred Certifications: Cisco CCIE Enterprise Infrastructure, Cisco CCIE Security, CISSP, VMware VCP-NV, Zero Trust Architecture or similar
Benefits
Comp & perks- Hybrid work environment with some travel to customer and integration lab locations as required
- Participation in after-hours maintenance windows, cutovers, and incident response activities as required
ATS Keywords
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Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
Software Defined Networking (SDN)Zero Trust Architecture (ZTA)Micro-SegmentationRouting and SwitchingNetwork segmentationStateful firewallsAutomationInfrastructure-as-CodeApplication dependency mappingNetwork architectures
Soft Skills
Technical leadershipCommunicationTroubleshootingCollaborationDocumentation
Certifications
Cisco Certified Network Professional (CCNP)CompTIA Security+Cisco CCIE Enterprise InfrastructureCisco CCIE SecurityCISSPVMware VCP-NV