Job SummaryJCS Solutions is seeking an experienced
Sr. Network & Systems Engineer to support large-scale operations on a high-profile Department of War (DoW) contract at
Fort Belvoir, VA. This role supports the I3TS program, which delivers enterprise-wide IT services to DTRA's Information Management & Technology Directorate (ITD). The successful candidate will serve as a senior technical authority responsible for engineering, systems analysis, operational oversight, and strategic modernization initiatives across Unclassified, Secret, and Top Secret environments. This position plays a critical role in ensuring secure, resilient, and mission-focused IT operations for stakeholders throughout CONUS and OCONUS locations.
What you will do:- Apply advanced systems analysis techniques to advise DTRA leadership and mission partners on enterprise technology solutions, system requirements, capacity planning, and architectural roadmaps.
- Analyze, document, test, and modify network and server configurations, security controls, and Active Directory environments to align with DoD directives and security baselines.
- Serve as the 24x7x365 Network Operations and Security Center (NOSC) Operations Watch Officer during assigned shifts.
- Lead troubleshooting and resolution efforts for complex enterprise system and network outages across multiple environments.
- Develop diagnostic strategies, perform event correlation, and conduct root-cause analysis for high-impact incidents.
- Support continuous improvement initiatives related to operational procedures, incident response frameworks, and SLA-driven workflows.
- Evaluate and integrate third-party technologies and vendor solutions within enterprise environments.
- Manage and support configurations within the ServiceNow ITSM framework.
- Interface directly with mission partners, DISA, Joint Forces, and Combatant Commands regarding operational status, network performance, vulnerabilities, and technical solutions.
- Prepare and deliver operational briefings, executive summaries, technical reports, and After-Action Reports (AARs) to senior leadership.
- Provide technical leadership and guidance to Tier I, II, and III support personnel.
- Monitor and maintain enterprise network health using DoD-approved monitoring tools, including SolarWinds.
- Troubleshoot, resolve, and escalate technical incidents through remote or onsite support as required.
- Ensure continuous and secure access to enterprise systems supporting mission-critical operations.
What you will bring: - Must be a US Citizen.
- Active Top Secret/SCI security clearance at the time of consideration.
- Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field and 8-12 years of relevant experience; OR
- Master's degree in a related field and 6-10 years of relevant experience.
- Equivalent high-level technical experience may be considered in lieu of a degree.
- Advanced understanding of enterprise networking technologies, including TCP/IP, DNS, DHCP, VPNs, routing, switching, and firewalls.
- Experience supporting enterprise server, storage, and virtualization infrastructures.
- Experience administering Active Directory in large-scale enterprise environments.
- Experience utilizing enterprise monitoring platforms such as SolarWinds.
- Working knowledge of ITIL and IT Service Management (ITSM) best practices.
- Current DoD 8570.01-M IAT Level II certification (such as Security+ CE) or higher prior to start.
- Ability to support one of the following schedules:
- Night Shift: 1800-0600 (Wednesday-Saturday)
How you will wow us: - Extensive experience in enterprise systems engineering, network architecture, or IT operations management within DoD environments.
- Demonstrated expertise supporting classified network infrastructures across multiple security domains.
- Experience developing operational procedures, escalation frameworks, and incident response processes.
- Strong executive communication and briefing skills with experience presenting technical information to senior leaders and mission stakeholders.
- Experience supporting global enterprise networks and geographically dispersed user communities.
- Background working directly with DISA, Combatant Commands, Joint Forces, or other defense organizations.
At JCS Solutions, compensation is based on a number of factors such as location, qualifications, and applicable contract terms. The general salary range for this position is as follows: $70,000.00 - $100,000.00
NOTICE: Please be aware that all JCS Solutions communications related to job interviews and offers from our recruiting team willonlycome from @JCSSolutions.com. We want to emphasize thatwe do not conduct any interviews over Discord, Slack, Skype, Zoom, or any chat app.
