Network Virtualization Engineer

Cimarron is seeking a Network Virtualization Engineer to support the Missile Defense Agency (MDA) on the Integrated Research and Development for Enterprise Solutions (IRES) contract at Schriever Space Force Base in the Colorado Springs, CO area.

This is a first-shift position that may require occasional overtime, extended workdays, and weekend support.

Key Duties:

• Troubleshoot and configuration of VMware to include protocols and switching, best-practice configurations, connectivity, and networking concepts.
• Expect to work on complex assignments and perform a wide range of VMware system administration activities with little to no direct supervision.
• Provide root-cause analysis for recurring or critical problems.
• Work closely with a team of system administrators, network engineers, and cybersecurity administrators to maintain a high-quality test environment for the Government customer.
• Perform vulnerability remediation and mitigations to reduce cybersecurity risks and ensure DoD compliance.
• Conduct daily system monitoring, system backup and restoral, and application upgrades to ensure optimal and continuous system operations.
• Document necessary system changes and actions in appropriate systems of record to ensure historical data is captured per customer and mission requirements.
• Advise Government customer on system status, optimization and improvement efforts in accordance with program objectives and design baselines as needed.
• Assist system administration team with the deployment of new virtual machines.
Perform administration of virtualization environments to include troubleshooting, break/fix activities, the patching and remediation of servers, and system audit log reviews as needed.

Required Skills, Experience, and Education:

• Due to facility security requirements, only U.S. citizens are eligible for consideration at this time.
• Ability to complete a pre-employment background check and drug screening, which will include, but is not limited to, testing for marijuana use.
• This position requires access to federal facilities. Candidates must possess a valid, unexpired Real ID-compliant driver's license or state-issued identification card at the time of hire. If you are unsure whether your ID is Real ID-compliant, please check for the star symbol in the upper portion of your driver's license or state ID.
• Ability to obtain a Secret Clearance in a reasonable timeframe.
• Ability to support overtime, extended hours, and weekend work, if needed.
• Current DoD 8570 IAT Level II certification (ex., Security CE, CySA, etc.).
• 10 or more years of general, full-time work experience.
• 5 or more years of directly related experience.
• 1 or more years of experience working in a management or leadership position.
• Experience with Internet Protocols (e.g., DNS, HTTP, SMTP, SSL), firewall configuration and troubleshooting, and multiple types of telecommunications network infrastructures.
• Effective communicator with excellent writing and presentation skills, and proficiency in Microsoft PowerPoint and Visio.
• Ability to work collaboratively in a team environment with other highly motivated network engineers, as well as independently on large-scale field projects.
• Deep understanding of foundational VCF infrastructure, including Virtualization (vSphere), Networking (NSX), and Storage (vSAN).
• Ability to use SDDC Manager to patch, upgrade, and perform overall system maintenance.
• Fundamental understanding of traffic flow through logical routers and the ability to implement these concepts in an NSX environment.
• Skilled in configuring distributed stateful firewalling, NAT, load balancing, and micro-segmentation using NSX.
• Experience with the design, installation, upgrading, and migration of storage using VMware vSAN.
• Ability to migrate virtual machines and workloads from deprecated versions of vSphere to VMware Cloud Foundation.
• Strong understanding of VMware troubleshooting and configuration, including protocols, switching, best-practice configurations, connectivity, and networking concepts.

Desired Skills, Experience, and Education:

• Demonstrated understanding of the project management lifecycle and related processes.
• Experience with PIM, Layer 2 and Layer 3 multicast, and Type I encryption devices.
• Experience with VXLAN, Juniper Apstra, VMware Aria, and RHEL Ansible.
• Experience with HPE server products.
• Experience creating and configuring virtual distributed switches.
• VMware certifications such as VCTA–Data Center Virtualization, VCP-DCV, VCAP Design, VCAP Deploy, or VCDX-DCV.
• Knowledge of Missile Defense, DoD communications systems, and MDIOC operations.
• Industry certifications such as Cisco Certified Network Associate (CCNA) or Juniper Networks Certified Associate (JNCIA).
• Experience with network monitoring tools and techniques.
• Experience with Python or PowerShell programming and scripting.
• Degree in an IT or Engineering-related discipline.

This position is anticipated to close to applications on September 8, 2026. If the application window is extended, this posting will be updated.

Business Profile:

Cimarron is a global solutions company with a strategic partnering approach to satisfying customer-driven requirements. We ensure customer success with a modern approach and experienced leadership. Driven by an entrepreneurial spirit, Cimarron is fueled by highly skilled employees, developing new innovative technologies, and delivering superior products and services. We believe in recognizing employees' worth by offering competitive salaries and benefits, including health, dental, and vision insurance, 401(k) contributions, educational reimbursement, and much more. From company communication through Company-wide information meetings led by our President and CEO, to an Awards program designed to recognize our amazing employees and their accomplishments, you will not only feel like you are a part of a team, you will be a valued member of the Cimarron family. Cimarron is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, age, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, or any other characteristic protected by federal, state, or local law.