System Administrator III

Company: SimVentions, Inc - Glassdoor ? 4.6
Location: Dahlgren
Posted on: February 16, 2026

Job Description:

Overview: The CIAT Infrastructure Support Engineer is responsible for the operation, maintenance, and support of the CIAT system's underlying infrastructure. This role requires a strong understanding of virtualization technologies, scripting languages, operating systems, and complex system architectures. The engineer will troubleshoot issues, document procedures, and collaborate with other team members to ensure the stability, security, and performance of the CIAT infrastructure. The ideal candidate is a self-motivated problem-solver with a passion for learning and a commitment to providing excellent technical support. Travel: Required to support CIAT system deployments and maintenance activities ( An ACTIVE Secret Clearance is required for this position. Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information. US Citizenship is required to obtain a clearance. Requirements: Strong understanding of VMware and virtual machine configuration. Proficiency in scripting languages such as PowerShell, Ansible, Bash, and Python. Excellent documentation and communication skills. Demonstrated ability to troubleshoot complex problems independently. Comprehensive understanding of system of systems concepts, IaaS, and complex system architectures. Extensive knowledge of Linux (RHEL and Ubuntu) and Windows operating systems. Responsibilities: Maintain and troubleshoot the CIAT system's virtualized environment using VMware. Configure and manage virtual machines (VMs), ensuring optimal performance and resource utilization. Automate system administration tasks using scripting languages: PowerShell, Ansible, Bash, and Python. Develop and maintain documentation for infrastructure processes and procedures. Communicate effectively with other team members to resolve technical issues and share knowledge. Troubleshoot complex problems independently, with minimal supervision. Maintain a comprehensive understanding of the CIAT system of systems architecture, Infrastructure as a Service (IaaS) components, and complex system interdependencies. Install, configure, and maintain Linux (primarily RHEL and Ubuntu) and Windows operating systems. Preferred Skills and Experience: AWS tactical knowledge in BL9 or BL10 environments. Programming or development experience. VMware or IaaS certifications. Containerization experience (e.g., Docker, Kubernetes Education: Bachelor's Degree in a relavent field such as Computer Science or Information Systems or equivalent experience Compensation: Compensation at SimVentions is determined by a number of factors, including, but not limited to, the candidate’s experience, education, training, security clearance, work location, skills, knowledge, and competencies, as well as alignment with our corporate compensation plan and contract specific requirements. The projected annual compensation range for this position is $92,000 - $155,000 (USD). This estimate reflects the standard salary range for this position and is just one component of the total compensation package that SimVentions offers. Benefits: At SimVentions, we’re committed to supporting the total well-being of our employees and their families. Our benefit offerings include comprehensive health and welfare plans to serve a variety of needs. We offer: Medical, dental, vision, and prescription drug coverage Employee Stock Ownership Plan (ESOP) Competitive 401(k) programs Retirement and Financial Counselors Health Savings and Health Reimbursement Accounts Flexible Spending Accounts Life insurance, short- & long-term disability Continuing Education Assistance Paid Time Off, Paid Holidays, Paid Leave (e.g., Maternity, Paternity, Jury Duty, Bereavement, Military) Third Party Employee Assistance Program that offers emotional and lifestyle well-being services, to include free counseling Supplemental Benefit Program Why Work for SimVentions?: SimVentions is about more than just being a place to work with other growth-orientated technically exceptional experts. It’s also a fun place to work. Our family-friendly atmosphere encourages our employee-owners to imagine, create, explore, discover, and do great things together. Support Our Warfighters SimVentions is a proud supporter of the U.S. military, and we take pride in our ability to provide relevant, game-changing solutions to our armed men and women around the world. Drive Customer Success We deliver innovative products and solutions that go beyond the expected. This means you can expect to work with a team that will allow you to grow, have a voice, and make an impact. Get Involved in Giving Back We believe a well-rounded company starts with well-rounded employees, which is why we offer diverse service opportunities for our team throughout the year. Build Innovative Technology SimVentions takes pride in its innovative and cutting-edge technology, so you can be sure that whatever project you work on, you will be having a direct impact on our customer’s success. Work with Brilliant People We don’t just hire the smartest people; we seek experienced, creative individuals who are passionate about their work and thrive in our unique culture. Create Meaningful Solutions We are trusted partners with our customers and are provided challenging and meaningful requirements to help them solve. Employees who join SimVentions will enjoy additional perks like: Employee Ownership: Work with the best and help build YOUR company! Family focus: Work for a team that recognizes the importance of family time. Culture: Add to our culture of technical excellence and collaboration. Dress code: Business casual, we like to be comfortable while we work. Resources: Excellent facilities, tools, and training opportunities to grow in your field. Open communication: Work in an environment where your voice matters. Corporate Fellowship: Opportunities to participate in company sports teams and employee-led interest groups for personal and professional development. Employee Appreciation: Multiple corporate events throughout the year, including Holiday Events, Company Picnic, Imagineering Day, and more. Founding Partner of the FredNats Baseball team: Equitable distribution of tickets for every home game to be enjoyed by our employee-owners and their families from our private suite. Food: We have a lot of food around here! FTAC

Keywords: SimVentions, Inc - Glassdoor ? 4.6, Annandale , System Administrator III, IT / Software / Systems , Dahlgren, Virginia