User Activity Monitor Tool Engineer

The Digital Sector at Leidos currently has an opening for User Activity Monitor (UAM) Engineer supporting the HEITS Contract as part of the Department of Homeland Security (DHS) Insider Threat Program (ITP). This is an exciting opportunity to use your experience to support the UAM tool and its hosted infrastructure. The ITP mission is to identify insider threats to the department by utilizing advanced analytics, monitoring, and data correlation which in turn help address and eliminate potential threat actors from compromising the DHS mission in safeguarding the homeland.

The selected candidate will be responsible for the following:

• Responsible for the deployment, maintenance, and configuration of UAM software solutions to detect and mitigate insider threats, ensuring system functionality, coverage, and user training across enterprise environments.
• Execute all updates, changes, deployments, and sustainment activities for the UAM software solution.
• Ensure proper functionality, resolve coverage gaps, and maintain enterprise-wide deployment integrity.
• Provide guidance on upgrades and system recapitalization, perform availability/capacity management and support all networking requirements and ensure full availability of all network switches and routers.
• Oversee High Speed Guard Cross Domain solution that supports the transfer of data between multiple classification domains.
• Support all documentation to effectively capture the configuration baseline.
• Evaluating, coordinating and performing installation and/or reconfiguration of hardware and software elements of networks.
• Assist with design, implementation, and integration of network changes.  IP address management IPAM, switch setup, and network operations support.

Basic Qualifications:

• Bachelors degree and (12)+ years of prior relevant experience or Masters with (10)+ years of prior relevant experience 
• Experience with technical planning, system hardware-software-network design, development and integration, verification and validation, and fielding.
• Experience performing systems requirements analysis, functional analysis, timeline analysis, trade studies, technical management, integration, system testing, and quality assurance. 

• Experienced and adept at developing and maintaining technical documents, analyses, and reports.

• Experienced with preparing and presenting briefings to senior customer management, and customer stakeholders.

• Experience with EverFox or other similar User Activity Monitoring products and platform.
• Available to support after-hours response to the Late shift Analyst team as needed.
• Available to conduct after hours maintenance windows for the network.
• Excellent written and oral communication skills.
• Active Top Secret government clearance; ability to obtain DHS EOD SCI

Preferred Qualifications:

• Master’s degree from an accredited college or university in IT Management, Engineering, or related field 

• Proven experience (10+ years) in IT service delivery management 
• Experience with User Activity Monitoring products and platforms
• Experience with Everfox or other similar High Speed Guard Platforms
• Experience in supporting classified networks
• Experience with VLAN, routing, IP addressing and sub-netting.
• Experience troubleshooting and configuring IP networks using at least one of the following routing methods: BGP, ISIS, OSPF or Static routing.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

October 23, 2026

Pay Range:

Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.