Senior Systems Engineer/Architect

General information

Requisition # R60628 Locations USA-VA-Herndon, USA-Remote Work Posting Date 05/21/2025 Security Clearance Required Secret Remote Type Hybrid Time Type Full time

Description & Requirements

Transform the future of federal services with ManTech! Join a vibrant, energetic team committed to enhancing national security and public services through innovative tech. Since 1968, we’ve partnered with Federal Civilian sectors to deliver impactful solutions. Engage in exciting projects in Digital Transformation, Cybersecurity, IT, Data Analytics and more. Ignite your career and drive change. Your journey starts now—innovate and excel with ManTech!

ManTech seeks a motivated, career and customer-oriented Senior Systems Engineer/Architect to join our team in DC, Maryland, and Virginia (DMV) area.

As Computer Systems Engineer/Architect, you will be responsible for the design, development, and deployment of the network enterprise architecture. The individual designs and implements computer and information networks, such as local area networks (LAN), wide area networks (WAN), intranets, extranets, and other data communications networks. Designs and develops solutions to complex networking problems, system administration issues, or network concerns. Performs systems management and integration functions.

Responsibilities include, but are not limited to:

• Support the enterprise architecture, design, development, and deployment of network services in support of government customer; collaborate and capture customer requirements, presenting customer requirements in technical exchanges with other government agencies
• Research and implement enterprise-wide network solutions, capabilities, and enhancements to support customer business/mission goals and objectives, while complying with the network architecture and design standards
• Produce SELC project artifacts such as requirements, design documents, diagrams, and other required documentation
• Troubleshoot network incidents, providing root cause analysis and documenting information in tickets and knowledge repositories
• Assist with development and execution of test plans and supporting documentation for network configuration upgrades, additions, or revisions
• Evaluate and report on new/emerging network/communication technologies to enhance capacity, performance, and reliability; Evaluate and recommend changes and/or technology upgrades to address performance, standardization, and industry best practices
• Perform site installations, technology refresh, develop implementation plans and schedules

Minimum Qualifications: 

• Bachelor’s degree in Computer Science, Information Technology, Cybersecurity, or a related field (or equivalent experience). 
• 12+ years of related experience
• 8570 Compliant certifications and CCNA certification
• Hands-on experience with Cisco routing, switching, and firewall technology
• Experience with primary network topologies, LANs, WANs and other common network standards
• Strong understanding of netw