Network Architect

Sarela Technology Solutions; Fort Belvoir (VA); On-site; USD 150,000 - 190,000; Full time

Benefits offered by this job

401(k)

401(k) matching

Dental insurance

Health insurance

Paid time off

Profit sharing

Training & development

Tuition assistance

Vision insurance

Job summary

SarelaTech is seeking a highly skilled Senior Network Architect to lead the design, deployment, and optimization of enterprise network infrastructure supporting DoW missions. The role emphasizes F5 BIG-IP (LTM/GTM) and Infoblox DDI, delivering secure, highly available application delivery across a hybrid multi‑cloud environment while collaborating with cybersecurity and systems teams.

The candidate will act as technical lead, architecting, deploying, and optimizing scalable network solutions

Qualifications

• Active TS/SCI clearance required at time of hire.
• Bachelor's degree and 12+ years in network engineering/ADN.
• Deep F5 BIG-IP expertise, LTM/GTM configurations and migrations.
• Extensive Infoblox DDI experience with Grid and IPAM.
• Experience in DoD/NOC/SOC environments and mission-critical networks.
• Strong communication to technical leadership and boards.

Responsibilities

• Design, deploy, and manage advanced application delivery architectures for mission-critical apps.
• Architect and maintain F5 BIG-IP LTM/GTM solutions for local/global load balancing.
• Lead enterprise Infoblox DDI deployment and IPAM integration.
• Collaborate with developers, cybersecurity, and systems engineers on requirements.
• Troubleshoot, analyze traffic, perform packet captures, and optimize performance.
• Create architectural docs, SOPs, and compliance traceability.
• Ensure DoW STIGs and IL5/IL6/IL7 compliance across network designs.

Skills

Active TS/SCI clearance

10+ years network architecture

Application Delivery Networks (ADN)

Leadership

Communication

DoD/NOC/SOC experience

TCP/IP, BGP, OSPF

SSL/TLS offloading

Strategic planning

Education

Bachelor's degree in Computer Science/IT

12+ years' experience in network engineering/ADN

Tools

F5 BIG-IP (LTM/GTM)

Infoblox DDI

Cisco CCNA

DNS/DHCP/IPAM

Job description

Benefits

• 401(k)
• 401(k) matching
• Dental insurance
• Health insurance
• Paid time off
• Profit sharing
• Training & development
• Tuition assistance
• Vision insurance

SarelaTech is seeking a highly skilled and experienced Senior Network Architect to lead the design, implementation, and optimization of our enterprise application delivery and DDI (DNS, DHCP, and IPAM) infrastructure. 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. Acting as the technical lead for this initiative, you will architect and deploy network solutions utilizing F5 and Infoblox technologies in concert to provide intelligent and scalable global server load balancing (GSLB), secure DNS solutions, and enterprise IP address management across our customer’s rapidly evolving hybrid multi‑cloud environment.

Primary Responsibilities

• 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.

Required Qualifications

• 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 & 12+ years' experience.
• 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 8-10 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.
• 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.

Desired Qualifications

• 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.