Senior Network Engineer with Security Clearance

ABOUT PRISM PRISM is devoted to modernization and innovation across technology, security, and IT enterprise solutions. We are recognized for meeting performance requirements and exceeding customer expectations since 1994. Our culture is founded on relationships, opportunity, and success. Offering comprehensive benefit plans including medical, dental, vision, and 401K along with our people - first approach sustains our reputation as a premier employer.

PRISM is seeking a highly experienced Senior Network Engineer to support a federal Enterprise SD-WAN program and the integration of SD-WAN capabilities with the Coastal Sentinel initiative. This position focuses on providing hands-on network engineering, integration, deployment, troubleshooting, and Tier 3 technical support across a complex C5I environment.

The Engineer will serve as a dedicated technical integration resource focused on ensuring Coastal Sentinel network requirements are successfully incorporated into the enterprise SD-WAN architecture without disrupting the broader production deployment schedule. This position is located in Alexandria, VA and will be a hybrid schedule with required CONUS travel to client operational sites and integration locations. RESPONSIBILITIES The Senior Network Engineer will handle technical administration, deployment logistics, and Tier 3 engineering support across the enterprise infrastructure.

Core responsibilities include

• Support the design, integration, deployment, testing, and troubleshooting of Cisco SD-WAN solutions within federal enterprise environments.
• Serve as a primary engineering resource for Coastal Sentinel integration with the Enterprise SD-WAN architecture.
• Assess Coastal Sentinel site requirements to identify dependencies, configuration changes, equipment requirements, and technical risks affecting SD-WAN implementation.
• Perform hands-on router, switch, WAN, LAN, and associated network integration activities at federal operational sites.
• Develop, review, and validate device configurations in accordance with approved federal network architecture and security requirements.
• Support installation, configuration, migration, cutover, validation, and post-deployment troubleshooting workflows.
• Coordinate with SD-WAN architects, provisioning engineers, automation engineers, NetOps/Tier 3 personnel, cybersecurity teams, and government stakeholders.
• Troubleshoot complex routing, switching, transport, connectivity, performance, and interoperability issues.
• Validate network connectivity and application/service reachability following deployment or configuration changes.
• Support root-cause analysis and remediation of network incidents, integration defects, and technical conflicts.
• Support the development and execution of implementation plans, Methods of Procedure (MOPs), test plans, rollback procedures, and acceptance criteria.
• Provide Tier 3 engineering support during deployment, stabilization, and transition to operations.
• Participate in technical working groups, design reviews, deployment planning sessions, and customer engineering discussions. REQUIRED QUALIFICATIONS (SKILLS/EDUCATION):
• Bachelor's degree in a related field (or commensurate experience) with 7+ years of progressively responsible network engineering experience supporting enterprise or large-scale network environments.
• Certifications: Relevant technical certifications (e.g., DoD 8570 baseline certification like Security+ CE if required by contract).
• Strong hands-on experience with Cisco routing and switching technologies and enterprise SD-WAN implementation or integration.
• Advanced knowledge of routing protocols and technologies, including BGP, OSPF, IP addressing, route redistribution, VLANs, VPNs, QoS, and WAN connectivity.
• Proven experience troubleshooting complex Layer 2 and Layer 3 network issues under production constraints.
• Experience performing network migrations, hardware replacements, site cutovers, and production network deployments.
• Ability to analyze network diagrams, configurations, requirements, and technical documentation.
• Experience developing or executing implementation plans, MOPs, test procedures, and rollback plans.
• Willingness and ability to travel independently to federal facilities, operational sites, and integration locations as required to support testing and cutover windows.
• Clearance Level: Must have an active Secret clearance

PREFERRED QUALIFICATIONS

• Current CCNP Enterprise or equivalent advanced Cisco certification.
• Cisco SD-WAN / Catalyst SD-WAN implementation experience utilizing Cisco Catalyst 8000-series routers and 9000-series switching platforms.
• Experience with Cisco ISE, network access control, segmentation, or Zero Trust Network Access (ZTNA) environments.
• Familiarity with network automation tools and the Red Hat Ansible Automation Platform.
• Previous DHS, DoD, or federal network engineering experience integrating multiple C5I systems into distributed shore-side architectures.
• Familiarity with STIGs, cybersecurity controls, ATO requirements, and federal network security standards.

REQUIRED SECURITY CLEARANCE: Active Secret Clearance PRISM is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.