Systems Administrator - SDN with Security Clearance

CyKor LLC

Alexandria, VA

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JOB DETAILS

SKILLS

Analysis Skills, Ansible, Application Programming Interface (API), Architectural Services, Automation, CCNA - Cisco Certified Network Associate, CCNP - Cisco Certified Network Professional, Change Control, Change Management, Cisco Network Systems, Communication Skills, CompTIA Security+, Computer Security, Configuration Management, Continuous Deployment/Delivery, Continuous Integration, Cross-Functional, Customer Relations, Defense Information Systems Agency (DISA), Diversity, DoD Directive 8140, DoD Directive 8570, Documentation, Enterprise Architecture, Enterprise Protection, Hardware Virtualization, IAT - Information Assurance Technical, Identify Issues, Information Technology & Information Systems, Internet Security, Linux Operating System, Maintain Compliance, Microsoft Hyper-V, Microsoft Windows System Administration, Military/DoD Standards, Network Administration/Management, Network Configuration Management, Network Operations Center, Network Protocols, Network Routing, Network Support, Operational Audit, Operational Support, Performance Analysis, Performance Tuning/Optimization, Python Programming/Scripting Language, Risk Management Framework (RMF), Scripting (Scripting Languages), Secret Clearance, Security Clearance, Sensitive Compartmented Information (SCI), Software Administration, Software Patches, Status Reports, System Center Configuration Manager (SCCM), System Operations, Systems Administration/Management, Team Player, Top Secret Clearance, United States Department of Defense (DoD), VMWare, VMWare Certified Professional (VCP), Wide Area Network (WAN), Windows PowerShell, Windows Server Update Services (WSUS)

LOCATION

Alexandria, VA

POSTED

Today

CyKor is a fast-growing Technology Solutions Provider to both federal and commercial clients. We attribute our continued growth to our core values, our professional team, and the valuable relationships with our clients. Our small and growing team fosters an environment in which each team member is respected, valued, and appreciated for their contributions. The Systems Administrator - Software Defined Networking will support the design, implementation, administration, and sustainment of software-defined networking (SDN) capabilities across the Department of Defense Information Network (DoDIN). This role ensures secure, resilient, and compliant network operations aligned with DoD cybersecurity and enterprise architecture standards. This position directly supports mission readiness by ensuring software-defined capabilities across the DoDIN are secure, resilient, and operationally effective - where delivery excellence translates into real-world mission advantage. Please note: This opening is contingent upon contract award (expected award & start date is June/July 2026). ROLES AND RESPONSIBILITIES: Systems Administration & Operations Administer and maintain SDN-enabled infrastructure across DoDIN enclaves
Support installation, configuration, and sustainment of network devices (virtual and physical)
Manage system baselines, patching, and configuration control in accordance with DoD standards
Perform system monitoring, performance tuning, and fault resolution Software Defined Networking (SDN)
Support deployment and operations of SDN technologies (e.g., Cisco SD-WAN, SDA, or similar platforms)
Maintain SDN controllers, orchestration tools, and policy frameworks
Assist with network segmentation, micro-segmentation, and policy-based routing
Support automation efforts using tools such as Ansible, APIs, or scripting Cybersecurity & Compliance
Ensure compliance with RMF (Risk Management Framework), Defense Information Systems Agency (DISA) STIGs and DoD cybersecurity policies and directives
Conduct vulnerability remediation and security hardening
Support ATO sustainment activities and audit readiness DoDIN Operations Integration
Support integration with DoDIN enterprise services and transport layers
Coordinate with Network Operations Centers (NOCs) and Security Operations Centers (SOCs)
Troubleshoot issues impacting operational availability across DoDIN Documentation & Reporting
Maintain system documentation, SOPs, and configuration artifacts
Provide inputs to weekly/monthly status reports and incident reports
Support change management boards (CCB) and configuration control processes REQUIREMENTS: Bachelor Degree in IT, Cybersecurity, Engineering, or related field (or equivalent experience)
3–7 years of experience in systems administration (Windows/Linux) and network administration in enterprise or DoD environments
Hands-on experience with SDN technologies (Cisco SD-WAN, VMware NSX, etc.), Virtualization platforms (VMware, Hyper-V) and Scripting/automation (PowerShell, Python, or Ansible)
Experience operating within DoDIN or similar federal networks
Familiarity with RMF processes, STIG implementation and Patch management tools (e.g., WSUS, SCCM)
Strong troubleshooting and analytical skills
Ability to operate in mission-critical environments
Effective communication with technical and non-technical stakeholders
Discipline in configuration management and documentation
Team-oriented with ability to support cross-functional engineering efforts
Active Secret clearance, TS/SCI preferred CERTIFICATIONS: DoD 8570/8140 IAT Level II (minimum): CompTIA Security+ (or equivalent) Preferred: Cisco CCNA / CCNP (Enterprise or Security)
VMware VCP
Red Hat RHCSA/RHCE PREFERRED SKILLS: Experience supporting SD-WAN deployments in DoD environments
Familiarity with Zero Trust architectures and identity services (e.g., Cisco ISE)
Experience with automation pipelines and CI/CD for network configurations
Exposure to cloud-integrated DoD environments (AWS GovCloud, Azure Government) LOCATIONS AND TRAVEL: Hybrid schedule: Must reside in DC metropolitan area or be willing to travel regularly to CyKor's HQ in Annapolis, MD and to various cutter locations for deployment project support WHAT WE OFFER: Competitive salary and benefits packages.
Opportunity to work with a dynamic and talented team.
Career growth and professional development opportunities.
A positive and inclusive work environment.
Chance to make a significant impact on the company's success. CyKor, LLC is an equal opportunity employer and values diversity in the workplace. All qualified applications will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, natural origin, or protected veteran status, and will not be discriminated against on the basis of disability.

About the Company

CyKor LLC

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