Network Engineer III

The Network Engineer III supports FEMA OCIO Operations and Maintenance services by designing, implementing, managing, and sustaining enterprise network operations across hybrid physical, virtual, on-premises, and multi-cloud environments. This role is responsible for ensuring reliable, secure, and high-performing network services supporting FEMA’s enterprise infrastructure, including Network Operations Center (NOC) and Security Operations Center (SOC) environments, data centers, cloud connectivity, and mission-critical IT systems. The Network Engineer III provides advanced technical expertise in network engineering, infrastructure modernization, cloud integration, operational resiliency, and disaster recovery readiness to ensure enterprise networks remain available, secure, and compliant with FEMA and DHS standards. This position is located at FEMA HQ in Bluemont, VA. You may be able to adjust and work remotely after a period of time. Primary Duties Design, implement, and manage enterprise network architectures across physical, virtualized, hybrid cloud, and multi-cloud environments. Support FEMA network operations for fixed and disaster-activated sites, including LAN, WAN, voice, video, satellite, internet, intranet, and telecommunications infrastructure. Provide Tier 2 and Tier 3 support for enterprise network infrastructure and services. Monitor network performance, availability, utilization, and service health; identify and implement performance improvements. Troubleshoot and resolve complex network incidents, outages, connectivity issues, routing problems, and interoperability challenges. Support event, incident, problem, and change management processes. Maintain network configurations, technical documentation, network diagrams, baseline standards, and operational records. Support technology refresh and modernization efforts for network infrastructure and communications systems. Implement and maintain network security controls, including VPNs, access controls, firewalls, IDS/IPS integration, and secure network configurations. Support cybersecurity operations through network monitoring, traffic analysis, incident response activities, and audit support. Ensure compliance with DHS/FEMA security policies, enterprise architecture standards, cybersecurity requirements, and disaster recovery best practices. Support 24/7 operational requirements during exercises, contingencies, disasters, and emergency response activities. Collaborate with government stakeholders, technical teams, vendors, and program leadership. Contribute to continuous improvement initiatives related to network operations, automation, cloud connectivity, operational efficiency, and resiliency. Education & Experience Bachelor’s degree and 12–15 years of relevant experience, or Master’s degree and 10–13 years of relevant experience. Experience managing enterprise network operations within a complex, mission-critical environment. Experience supporting Network Operations Center (NOC) and Security Operations Center (SOC) functions. Experience designing, implementing, and supporting enterprise networks across physical, virtualized, hybrid cloud, and multi-cloud environments. Experience with LAN, WAN, VPN, routing, switching, firewalls, cloud networking, network segmentation, load balancing, and secure connectivity. Experience supporting infrastructure migrations, cloud integration, modernization efforts, disaster recovery, and business continuity initiatives. Experience with network monitoring, incident management, problem management, root-cause analysis, and performance optimization. Experience developing and maintaining technical documentation, network diagrams, operational procedures, and configuration records. Knowledge of cybersecurity principles, regulatory compliance requirements, intrusion detection, SIEM integration, and secure configuration practices. Ability to effectively collaborate with government stakeholders, technical teams, security personnel, vendors, and program leadership. Must be able to obtain and maintain a Public Trust clearance. Must be able to obtain a DHS EOD. Required Certifications Certified Information Systems Security Professional (CISSP) Cisco Certified Network Professional (CCNP) or Cisco Certified Network Associate (CCNA) Professional Cloud Solutions Architect certification Multi-cloud certification or demonstrated certification coverage across AWS, Google Cloud Platform (GCP), Oracle Cloud Infrastructure (OCI), and Microsoft Azure If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares. Original Posting: June 11, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $131,300.00 - $237,350.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $17.2 billion for the fiscal year ended January 2, 2026. For more information, visit Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here. Securing Your Data Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to View email address on click.appcast.io. Commitment and Diversity All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.