Network Engineer

Leidos is seeking a highly skilled and experienced Network Architect SME to lead the design, implementation, and optimization of our enterprise application delivery and DDI (DNS, DHCP, and IPAM) infrastructure in Fort Belvoir, VA or Albuquerque, New Mexico. The ideal candidate will have deep, hands-on expertise with F5 technologies and Infoblox, ensuring highly available, secure, and scalable application delivery models across the enterprise network in support of critical mission requirements that enhance the reliability and security of Department of War (DoW) networks and systems., * Application Delivery Architecture - Design, deploy, and manage advanced application delivery models ensuring high availability, optimal performance, and security for mission-critical enterprise applications.

• F5 Infrastructure Management - Architect and maintain F5 BIG-IP solutions, with a heavy focus on Local Traffic Manager (LTM) and Global Traffic Manager (GTM) for intelligent local and global load balancing.
• Enterprise DDI Administration - Lead the engineering, deployment, and administration of enterprise-class DDI infrastructure utilizing Infoblox technology (DNS, DHCP, and IP Address Management).
• Cross-Functional Collaboration - Work closely with application developers, cybersecurity teams, and systems engineers to translate application requirements into resilient, highly available network architectures.
• Troubleshooting & Optimization - Perform advanced network troubleshooting, traffic analysis, packet capture, and performance tuning for complex application delivery workflows.
• Documentation & Standards - Develop and maintain comprehensive architectural documentation, standard operating procedures, and technical blueprints.
• Compliance & Documentation: Ensure all tools comply with DoW STIGs and IL5/IL6/IL7 protocols; develop and maintain architectural documentation and compliance traceability., Planning Equities Leadership Management Market Data Communication Presentations Investigation Change Requests Network Support Ancient History Needs Assessment Computer Science Network Topology Threat Detection Technical Issues Security Policies System Monitoring Internet Security Local Area Networks Network Engineering Network Architecture Data Loss Prevention IT Service Management Network Infrastructure Quick Response Manufacturing +0

Google IT Support Network Engineer Leidos

Washington, DC*On-Site

Datadog Planning Equities Leadership Management Market Data Communication Presentations Investigation Change Requests Network Support Ancient History Needs Assessment Computer Science Network Topology Threat Detection Technical Issues Security Policies System Monitoring Internet Security Local Area Networks Network Engineering Network Architecture Data Loss Prevention IT Service Management Network Infrastructure Quick Response Manufacturing +0

Google IT Support AWS Cloud Network Engineer Guidehouse

McLean, VA*On-Site

IPv6 IPv4 Github Firewall Terraform Operations Kubernetes Subnetwork Scalability Adjudication Communication Test Planning Critical Care Microsoft Azure Network Routing Dynamic Routing Computer Science Interoperability Docker (Software) Routing Protocols AWS CloudFormation Network Engineering Software Development Network Architecture Hybrid Cloud Computing Technical Requirements Border Gateway Protocol Software Design Patterns Google Cloud Platform (GCP) Infrastructure as Code (IaC) Python (Programming Language) Ethical Standards And Conduct Peering (Computer Networking) Virtual Private Networks (VPN) Network Performance Management Open Shortest Path First (OSPF) Microsoft Certified Professional Cisco Certified Network Professional AWS Certified Advanced Networking Specialty +0

Big Ip Ansible Equities Terraform Operations Automation Resilience OSI Models Scalability Market Data Multi-Cloud Cyber Security Packet Analyzer Ancient History Computer Science Traffic Analysis Routing Protocols Performance Tuning Network Automation Systems Engineering Network Engineering GIAC Certifications Technical Leadership Network Architecture Architectural Design CompTIA Security+ CE Information Technology Network Troubleshooting Border Gateway Protocol Infrastructure Management IAT Level II Certification Multi-Factor Authentication Standard Operating Procedure IP Address Management (IPAM) F5 Certified Solution Expert Global Server Load Balancing Application Delivery Network Python (Programming Language) Transport Layer Security (TLS) Open Shortest Path First (OSPF) Cisco Certified Network Associate F5 Certified Technical Specialist Cisco Certified Internetwork Expert Cisco Certified Network Professional CompTIA Cybersecurity Analyst (CySA+) Systems Security Certified Practitioner Dynamic Host Configuration Protocol (DHCP) GIAC Security Essentials Certification (GSEC) Top Secret-Sensitive Compartmented Information (TS/SCI Clearance), * Security Clearance: Active Top Secret / Sensitive Compartmented Information (TS/SCI) required at time of hire.

• Education: Bachelor’s degree in Computer Science, Information Technology, or a related technical discipline and 12 - 15 years of prior relevant experience or Masters with 10 - 13 years of prior relevant experience. May possess a Doctorate in technical domain. Specific experience, education and training may be considered in lieu of degree.
• Certification: Active IAT Level II certification (e.g., Security+ CE, CySA+, GSEC, or SSCP) required.
• Cisco CCNA Certification (CCNP or CCIE Preferred).
• Citizenship: United States Citizenship is required.
• Experience Level: Minimum of 8+ years of progressive experience in network engineering and architecture, with a dedicated focus on application delivery networks (ADN).
• F5 Expertise: Deep, demonstrable expertise in F5 BIG-IP platforms, specifically configuring, upgrading, and migrating
• LTM and GTM/F5 DNS environments.
• Infoblox / DDI Mastery: Extensive experience designing and operating enterprise-class Infoblox DDI environments, including Grid architecture and seamless IPAM integration.
• RSA (Multi factor authentication) experience.
• Core Networking: Mastery of OSI model layers 2-7, TCP/IP, routing protocols (e.g., BGP, OSPF), and solid experience with SSL/TLS offloading and certificate management.
• Leadership: Experience leading technical working groups and directing the efforts of adjacent infrastructure and development teams.
• Operational Experience: Prior experience working within a DoW/DoD Operations Center (NOC/SOC) or supporting mission-critical systems and networks.
• Communication: Must be able to present designs, plans, and analyses of alternatives to technical leadership boards for approvals., * Automation Skills Experience with network automation and orchestration tools (e.g., Ansible, Python, Terraform, or
• F5 AS3) is highly desired.
• Certifications: F5 Certified Technology Specialist (F5-CTS) or Solution Expert (F5-CSE), and Infoblox Core DDI certifications are strongly preferred.

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.

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 at www.leidos.com/careers/pay-benefits .

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 $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com .