New

Enclave Administrator Senior (SW)

Modern Technology Solutions, Inc.
401(k)

Nov 10, 2026
MTSI is seeking a highly skilled Senior Enclave Administrator to provide expertlevel leadership and technical oversight within our customer's Software Branch, supporting classified programs and missioncritical development activities. In this role, you will manage the operation, security, configuration, and sustainment of multiple secure enclaves that host software development, integration, and test environments across highvisibility programs. The successful candidate will serve as the authoritative lead for enclave administration, ensuring compliant, reliable, and wellcontrolled computing environments that support sourcecode development, data storage, digital engineering workflows, mission applications, and specialized software tools. Responsibilities include establishing and maintaining enclave configurations, enforcing security controls, implementing system updates, managing user access, ensuring compliance with applicable security and classification requirements, and providing direct support to the program office across all enclave operations and sustainment activities. Key Responsibilities * Lead the overall configuration, security, maintenance, and lifecycle management of multiple classified and unclassified enclaves supporting software development and missionsystem activities. * Design, deploy, and maintain enclave services, virtualized environments, compute nodes, storage systems, and development toolsets to meet program needs. * Establish and enforce enclave policies, access controls, useraccount structures, authentication mechanisms, and privilegedaccess procedures. * Manage system updates, patches, STIG implementations, vulnerability remediation, and configuration baselines across enclave components. * Ensure enclave environments meet all DoD, componentlevel, and programspecific cybersecurity, classification, and auditing requirements. * Oversee enclave documentation, including system configurations, change records, SOPs, maintenance logs, security evidence, and operational procedures. * Monitor enclave performance, availability, and security posture; proactively identify issues and implement corrective actions to ensure system reliability. * Coordinate with system owners, developers, cybersecurity personnel (ISSM/ISSO), and network teams to support missionfocused development and operational activities. * Provide onboarding and training for users on enclave workflows, security procedures, tool usage, and datahandling requirements. * Conduct enclave readiness assessments, improvement plans, and technical recommendations for leadership and stakeholders. * Stay current on emerging enclave technologies, securesystem administration practices, virtualization tools, and classifiedenvironment requirements to continuously enhance branch capabilities. Position Requirements * Deep technical understanding of secure systems administration (Windows/Linux), enclave operations, virtualization, and softwaredevelopment support environments. * Experience managing classified or highly regulated IT systems. * Strong knowledge of DoD cybersecurity requirements, STIGs, RMF compliance processes, and vulnerabilitymanagement procedures. * Ability to work independently in secure environments and translate complex technical or mission requirements into practical, compliant enclave configurations. * Strong communication skills and the ability to support multidisciplinary teams across a softwarecentric organization. The successful candidate will serve as the authoritative lead for enclave operations, ensuring secure, reliable, and wellcontrolled computing environments that support software development, integration, and missionfocused activities. Responsibilities include configuring and maintaining enclave systems and services, managing user access and permissions, enforcing security and classification controls, implementing system updates and patches, and providing direct technical support to the program office across all enclave administration and sustainment activities. Qualifications: Must meet Cybersecurity (DoD 8140/8570 - IAM Level III) certification requirements Possess minimum of 10 years of relevant work experience Experience working in a DoD program or product acquisition office or environment Have no less than three (3) years' experience in a Special Access Program (SAP) and/or Sensitive Compartmented Information (SCI) environment within the last five (5) years Education: A Master of Arts/Master of Science/Master of Engineering MA/MS/ME degree (Years of experience may be considered in lieu of a master's degree) Clearance Requirements: Must possess an active DoD Top Secret (TS) security clearance with ability to obtain SCI U.S. Citizenship is required for this position, due to contract requirements. #LI-HP1 #DOG #SW Interesting Work:* Our co-workers support some of the most important and critical programs to our national defense and security. Values: Our first core value is that employees come first. We challenge our co-workers to provide the highest level of support and service, and reward them with some of the best benefits in the industry. 100% Employee Owned: We have a stake in each other's success, and the success of our customers. It's also nice to know what's going on across the company; we have company wide town-hall meetings three times a year. Great Benefits - Most Full-Time Staff Are Eligible for: Starting PTO accrual of 20 days PTO/year + 10 holidays/year Flexible schedules 6% 401k match with immediate vesting up to $9k annually Semi-annual bonus eligibility (July and December) Company funded Employee Stock Ownership Plan (ESOP) - a separate qualified retirement account Up to $10,000 in annual educational reimbursement Other company funded benefits, like life and disability insurance Optional zero deductible Blue Cross/Blue Shield health insurance plan Track Record of Success: We have grown every year since our founding in 1993. Modern Technology Solutions, Inc. (MTSI) is a 100% employee-owned engineering services and solutions company that provides high-demand technical expertise in Digital Transformation, Modeling and Simulation, Rapid Capability Development, Test and Evaluation, Artificial Intelligence, Autonomy, Cybersecurity and Mission Assurance MTSI delivers capabilities to solve problems of global importance. Founded in 1993, MTSI today has employees at over 20 offices and field sites worldwide. For more information about MTSI, please visit www.mtsi-va.com MTSI embraces nine core values including our first core value of Employees come first. Consistent with our Core Values, we are committed to Equal Opportunity, making decisions without regard to race, color, religion, sex, national origin, age, military/veteran status, disability, or any other characteristics protected by applicable law. MTSI is committed to Equal Employment Opportunity and providing reasonable accommodations to applicants and employees with physical and/or mental disabilities.