IT System Administrator responsible for maintaining Linux/Windows/AIX servers in a major Polish bank. Collaborating with business analysts and developers for system optimization.
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Hybrid Systems Administrator – Software Defined Networking, Active Secret Clearance Required
Posted 17 hours ago
About the role
- Systems Administrator supporting DoD networks with SDN technologies and cybersecurity compliance at CyKor. Collaborating with federal and commercial clients in a hybrid role based in Washington, DC area.
Responsibilities
- 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
- 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, microsegmentation, and policy-based routing
- Support automation efforts using tools such as Ansible, APIs, or scripting
- 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
- 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
- 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
Benefits
- Equal opportunity employer
- Values diversity in the workplace
Job title
Job type
Experience level
Salary
Not specified
Degree requirement
Tech skills
Location requirements
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