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Leidos

Network Architect – SME

Leidos

. Provide enterprise network architecture leadership for the SEC ISS contract .

Posted 5/16/2026full-timeRemote • 🇺🇸 United StatesSeniorLead💰 $116,350 - $210,325 per yearWebsite

Tech Stack

Tools & technologies
CloudCyber SecurityFirewallsSwitching

About the role

Key responsibilities & impact
  • 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.

Requirements

What you’ll need
  • 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

Comp & perks
  • Health and Wellness programs
  • Income Protection
  • Paid Leave
  • Retirement

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools
network architectureLAN designWAN designWLAN designcloud networkingroutingswitchingfirewallsVPNnetwork performance optimization
Soft Skills
leadershipmentoringcollaborationtroubleshootingrisk managementcapacity planningcommunicationtechnical governanceproblem-solvingdocumentation
Certifications
SEC Public Trust