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Leidos is an innovation company rapidly addressing the world’s most vexing challenges in national security and health.
Network Architect – SME
Location
United States
Posted
30 days ago
Salary
$116.4K - $210.3K / year
Seniority
Lead
Job Description
Network Architect – SME
Leidos
• Provide enterprise network architecture leadership for the SEC ISS contract • Design, implement, and maintain secure, scalable, and highly available enterprise network architectures across LAN/WAN/WLAN, voice, and remote-access environments. • Develop target-state architecture, technical standards, and network lifecycle plans for upgrades, refreshes, and end-of-support transitions. • Lead network integration for cloud and on-premises platforms, including connectivity patterns, segmentation, and secure data flows. • Serve as technical authority for routing, switching, firewall, VPN, and performance optimization strategy. • Define and enforce network security architecture aligned to SEC policies and federal expectations, including FISMA and zero-trust control requirements. • Partner with cybersecurity teams to assess vulnerabilities, prioritize remediation, and reduce risk exposure across network infrastructure. • Produce and maintain architecture documentation, SOP inputs, configuration baselines, and artifacts supporting audits and ATO sustainment. • Conduct risk assessments and architecture reviews to identify control gaps, resilience risks, and corrective actions. • Establish performance and availability objectives; implement monitoring approaches for device health, traffic patterns, latency, and network reliability. • Drive capacity planning using usage trends and forecast data to prevent service degradation and support growth. • Troubleshoot and resolve high-complexity network incidents and chronic problems, including root-cause analysis and corrective design changes. • Support service-level reporting and dashboard-driven operational insights in coordination with enterprise operations and service management teams. • Lead complex network initiatives, including migrations, major changes, and cross-team implementations with clear technical governance. • Collaborate with infrastructure, application, cloud, and service desk teams to ensure integrated, secure, and supportable solutions. • Provide technical leadership, mentoring, and quality oversight to network engineers and junior technical staff.
Job Requirements
- This position is restricted to U.S. citizens only.
- Ability to obtain and maintain SEC Public Trust.
- Bachelors in Information Technology, Computer Science, Engineering, or a related technical field.
- In lieu of degree, additional experience may be required.
- Minimum 12 years of experience in network architecture and design for large-scale enterprise environments.
- Demonstrated experience with secure enterprise LAN/WAN/WLAN design, cloud networking, and virtualized network infrastructure.
- Proven experience leading complex network migrations, upgrades, and hybrid integration efforts with measurable performance and reliability outcomes.
- Experience supporting compliance-driven environments requiring strong change control, risk management, and audit support documentation.
- Advanced expertise in routing, switching, firewalls, VPNs, and network performance optimization.
- Expertise in LAN/WAN technologies, network security, cloud networking, and virtualization.
- Strong capability in capacity planning, risk assessments, and troubleshooting high-level network issues.
- Ability to develop network strategies, standards, and policies aligned with organizational and federal compliance requirements.
Benefits
- Health and Wellness programs
- Income Protection
- Paid Leave
- Retirement
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