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, 2026For 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.
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.
Skills Required
- Bachelor's degree with 12-15 years relevant experience, or Master's degree with 10-13 years relevant experience
- Experience managing enterprise network operations in mission-critical environments
- 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, and load balancing
- Experience with infrastructure migrations, cloud integration, modernization, disaster recovery, and business continuity
- 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, intrusion detection, SIEM integration, and secure configuration practices
- Ability to collaborate effectively 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
- 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
Leidos Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Leidos and has not been reviewed or approved by Leidos.
-
Healthcare Strength — Healthcare coverage is described as comprehensive, with multiple plan options, low office-visit copays in some plans, and access to mental health and wellness support tools. The availability of HSA/FSA options and employer contributions is positioned as a meaningful part of the total package.
-
Retirement Support — Retirement benefits are framed as a strong component of total rewards, highlighted by a 401(k) match and immediate vesting in the standard package. The Employee Stock Purchase Plan is also presented as an additional long-term wealth-building feature.
-
Wellbeing & Lifestyle Benefits — Wellbeing and lifestyle supports extend beyond core insurance, including wellness programs, fitness-related stipends, and assistance resources. Work flexibility and related perks are also included as part of the broader rewards experience.
Leidos Insights
What We Do
We Are Leidos For 50 years we have been tackling some of the biggest problems that face our nation and our world. OUR MISSION Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020. Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the newly launched Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos. Your most important work is ahead.
