Network/System Administrator III

Company: Modern Technology Solutions, Inc.
Location: Washington
Posted on: April 25, 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 serves to organize, install, and support government organization's computer systems, including local area networks (LANs), wide area networks (WANs), network segments, intranets, and other data communication systems. This will also include helping architect, design and analyze network models. It will require participation in decisions about buying future hardware or software to upgrade organization's infrastructure. This position might be called upon to provide technical support to computer users to help solve users' problems. This position will support activities within Special Access Programs (SAPs) supporting Department of Defense (DoD) agencies, such as HQ Air Force, Office of the Secretary of Defense (OSD) and Military Compartments efforts. The position will provide "day-to-day" support for Collateral, Sensitive Compartmented Information (SCI) and Special Access Program (SAP) activities.Your essential job functions will include but may not be limited to:
    • Ability to operate under minimal supervision
    • Execute day to day management and operations of systems and networks
    • Manage COTS & GOTS products to collect, display and remediate a variety of automated system security and system operations/performance functions and metrics.
    • Follow Operations and Maintenance (O&M) checklists to maintain the service (daily, weekly, monthly, yearly O&M checklists); build Tactics, Techniques and Processes (TTPs) and Standard Operating Processes (SOPs) associated with service checklists
    • Operate monitoring tools/capabilities with the enterprise security information and event management (SIEM) and create/tailor complex event alarms/rules and summary reports
    • Assist in analyzing technical risk, upon request, of emerging cybersecurity tools and processes
    • Work as part of a security incident response team as needed
    • Working technical competency in one or more of the following supported platforms: Microsoft Windows Server, Red Hat Enterprise Linux servers, MS Hyper-V/VMWare/ESx/Xen Hypervisors, Enterprise networking/firewalls/intrusion detection/prevention systems, forensic analysis/vulnerability assessment, Group Policy management and configuration, Scripting, BMC Footprints, WSUS, Lumension, Bitlocker, SQL Server 2012, TomCat, IIS, Windows Server 2012r2/2016, Win 10, Red Hat 6.5, Microsoft Office
    • Toolkits, SEIMs, Logrhythm, ACAS/Nessus/SCAP, mandatory/role-based access control concepts (e.g. SE Linux extensions to RHEL, PitBull, AppArmor, and Sentris), video teleconferencing/VOIP, Oracle/MS SQL database security, and Apache/IIS Web server securityQualificationsRequired Experience:
      • Must have at least 7 years relevant experience
      • Thorough knowledge of Microsoft Windows desktop and server operating systems, Microsoft Exchange Server, and as needed RHEL operating systems administration and associated hardware
      • Working knowledge of CISCO network and switching and virtualization technologies
      • Working knowledge of Local Area Network (LAN) and Wide Area Network (WAN) technologies and data backup technologies
      • Working knowledge communication security (COMSEC) policies and integration
      • Working knowledge of Risk Management Framework, Common Criteria, and System Security Policy as they relate to assessments and authorization
      • Working knowledge and current relevant experience with PL2 and PL3 network environments/systems
      • Experience providing technical support in a customer service role
      • Experience applying industry standards and best practices in an enterprise-level Windows system environment.
      • Experience solving technical problems quickly and identifying opportunities to automate repetitive processes.
      • Working knowledge of WSUS and/or YUM patch deployment methodologies
      • Must be familiar with DoD policy as it applies to implementing and executing system and network administrationEducation Requirements:
        • Bachelor's degree in a related discipline or equivalent experience (4 years)Certifications:
          • Must meet position and certification requirements outlined in DoD Directive 8570.01-M for Information Assurance Manager Level III or Information Assurance Architect and Engineer Level I within 6 months of the date of hireClearance Requirements:
            • Current Top-Secret Clearance with SCI Eligibility
            • Eligibility for access to Special Access Program Information
            • Willingness to submit to a Counterintelligence polygraph
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Keywords: Modern Technology Solutions, Inc., Dale City , Network/System Administrator III, IT / Software / Systems , Washington, Virginia