Network/System Administrator III

Company: Modern Technology Solutions, Inc.
Location: Washington
Posted on: May 11, 2025

Job Description:

OverviewOwn Your Future.Modern Technology Solutions, Inc. (MTSI) is seeking a Network/System Administrator III to join our team.Why is MTSI known as a Great Place to Work?

• 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 Ownership: 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
  • 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 tuition 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 .ResponsibilitiesThis Net/Sys Admin III position organizes, installs, and supports government organization's computer systems, including LANs, WANs, network segments, intranets, and other data communication systems. It involves architecting, designing, analyzing network models, and participating in decisions about hardware/software upgrades. The role may include providing technical support to users, supporting activities within Special Access Programs (SAPs) supporting DoD agencies, such as HQ Air Force, OSD, and Military Compartments, including collateral, SCI, and SAP activities.Your essential functions include but are not limited to:
    • Operate under minimal supervision
    • Manage systems and networks daily
    • Manage COTS & GOTS products for security and system performance
    • Follow O&M checklists for maintaining services and develop TTPs and SOPs
    • Operate monitoring tools, SIEM, and create alarms and reports
    • Assist in analyzing cybersecurity tools and processes
    • Participate in security incident response as needed
    • Work with platforms like Windows Server, RHEL, Hyper-V/VMWare, enterprise networking, forensic analysis, scripting, and various security toolsQualificationsRequired Experience:
      • At least 7 years relevant experience
      • Thorough knowledge of Windows, Exchange, RHEL, and hardware
      • Knowledge of CISCO networking, virtualization, LAN/WAN, and data backup technologies
      • Understanding of COMSEC policies, Risk Management Framework, Common Criteria, and system security policies
      • Experience with PL2/PL3 environments, technical support, and industry standardsEducation:
        • Bachelor's degree or equivalent experience (4 years)Certifications:
          • Must meet DoD Directive 8570.01-M requirements for IAM Level III or IA Architect/Engineer Level I within 6 months of hireClearance:
            • Current Top-Secret with SCI eligibility
            • Access to SAP information
            • Willingness to undergo Counterintelligence polygraph
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Keywords: Modern Technology Solutions, Inc., Wheaton-Glenmont , Network/System Administrator III, IT / Software / Systems , Washington, Maryland