Network​/System Administrator III

Bedford, United States | Posted on 06/02/2026

Sandy Mac Evolution LLC is a Veteran-Owned company dedicated to connecting top talent with meaningful opportunities.

55-082 Network/System Administrator III

Hanscom AFB, MA

Minimum Clearance Requirement:
Current clearance as defined in the Task Order, with eligibility for access to Special Access Program Information

Mandatory

Experience:

5-7 years related experience; 2+ years SAP experience

The primary function of the Network/System Administrator III is to organize, install, and support a government organization’s computer systems, including local area networks (LANs), wide area networks (WANs), network segments, intranets, and other data communication systems. This position will also include helping architect, design, and analyze network models.

The Network/System Administrator III will participate in decisions regarding future hardware or software purchases to upgrade the organization’s infrastructure. This position may also be called upon to provide technical support to computer users and assist in solving users’ technical 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.

• Able to perform self-sustaining work with little to no oversight
• Lead IT operations team on day-to-day management and operations of networks and implement capabilities vetted through Cybersecurity, ISSE, and higher headquarters to maintain JSIG/RMF Authority to Operate and maintain Continuous Monitoring tools and processes
• Manage COTS and GOTS products to collect, display, and remediate a variety of automated system security and system operations/performance functions and metrics
• Assist during security assessments of servers, network devices, and security appliances
• Assist during security assessments with regard to accuracy and efficiency
• Assist with creation of operational Operations and Maintenance (O&M) checklists to maintain the service, including daily, weekly, monthly, and yearly O&M checklists
• Build Tactics, Techniques, and Processes (TTPs) and Standard Operating Procedures (SOPs) associated with service checklists
• Manage and operate monitoring tools/capabilities with the enterprise security information and event management (SIEM) and create/tailor complex event alarms/rules and summary reports
• Execute cybersecurity operations procedures for day-to-day network management, operations, and maintenance
• Monitor/analyze output of cybersecurity-related tools for reportable security incidents and residual risk
• Assist in analyzing technical risk, upon request, of emerging cybersecurity tools and processes
• Work as part of a security incident response team as needed
• Assist ISSM/ISSO/ISSE with the integration and development of new techniques to improve Confidentiality, Integrity, and Availability for networks/systems operating at various classification levels
• Demonstrate advanced technical competency in one or more supported platforms, including Microsoft Windows Server, Active Directory, 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, Bit Locker, SQL Server 2012, Tom Cat, IIS, Windows Server 2012R2/2016, Windows 10, Red Hat 6.5, and Microsoft Office
• Support toolkits, SIEMs, Log Rhythm, ACAS/Nessus/SCAP, mandatory/role-based access control concepts such as SE Linux extensions to RHEL, Pit Bull, App Armor, and Sentris, video teleconferencing/VOIP, Oracle/MS SQL database security, and Apache/IIS Web server security

• 5-7 years related experience required
• 2+ years Special Access Program (SAP) experience required

• Bachelor’s degree in a related area or equivalent experience
• Four…