Cyber Range Engineer, JTF

About the role

CESI, a By Light company, seeks a Cyber Range Engineer to join the Range Operations team in Annapolis Junction, MD. The successful candidate will design, implement, and maintain advanced cyber training environments, supporting cybersecurity training, mission rehearsal, and validation events.

Responsibilities

• Design, implement, and maintain advanced cyber training environments.
• Build and configure cyber range content, including virtual machines, virtual networks, accounts/roles, tooling, and exercise injects.
• Implement and operate offensive and defensive training content, including red cell tools, defensive sensors, and supporting applications.
• Provide event support during execution windows, including environment readiness checks, user access support, troubleshooting, and rapid issue resolution.
• Configure and maintain Windows and Linux hosts used in training environments, including patching, baseline configuration, and restoration of lab state as required.
• Deliver virtual infrastructure and network support, including diagnosing connectivity and performance issues across range enclaves.
• Coordinate with content developers, exercise staff, and stakeholders to capture requirements, track tasks, and communicate status, risks, and impacts.
• Develop and update technical documentation to support repeatable event delivery and knowledge transfer.
• Identify repeat issues and contribute to continuous improvement by recommending and implementing process, automation, or standard configuration updates.

Requirements

• Bachelor’s degree in a technical discipline or 6 years of relevant experience.
• 5+ years of combined experience with CNO/CNE/CND platforms, cyber training, validation exercises, and working with CPTs.
• Current DoD 8140/8570 IAT Level II Certification.
• Relevant networking engineering certification.
• Relevant Cloud/VMware certification.
• Relevant certification in RedHat/Linux/Windows.
• Working knowledge and hands-on experience in both Windows and Linux operating system environments.
• Experience working with VMware and supporting systems within virtualized environments.
• Proven ability to troubleshoot network connectivity, performance, and configuration issues involving DNS, routing, and TCP/IP.
• Intermediate knowledge of defensive and offensive cyber tools and techniques.

Qualifications

• Self-starter in a fast-paced environment.
• Able to work with a range of engineers holding a diverse set of skills at differing levels of experience.
• Effective written and oral communication with multiple levels of leadership involving both business and technical sides of the business.
• Prioritize multiple tasks, projects, and demands.
• Familiarity with or experience supporting the Joint Event Life Cycle (JELC).
• Experience supporting cyber training and validation exercises, including planning, coordination, and execution with CPTs.
• Experience using SIEMs, intrusion detection systems, or threat intelligence platforms to support cybersecurity operations.
• Experience using scripting or automation tools to streamline cybersecurity operations or environment setup.

Skills

• Hands-on experience in both Windows and Linux systems.
• Virtualized infrastructures.
• Security tools.

Benefits

• Medical, Dental & Vision Coverage
• Wellness Program
• 401(k) Matching
• Disability (Short Term & Long Term)
• Employee Assistance Program
• Life Insurance
• Education & Training
• Generous Leave Policy (11 Federal Holidays, PTO, Military Leave, Bereavement and Jury Duty)