Network Architect

Sarela Technology Solutions; Fort Belvoir (VA); On-site; USD 180,000 - 230,000; 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 Senior Network Architect to design, implement, and optimize our DoD-focused application delivery and DDI infrastructure. You will leverage F5 BIG-IP and Infoblox to provide scalable, secure networks across hybrid multi-cloud environments.

Ideal candidates will have 8–10 years in network architecture with ADN focus, active TS/SCI clearance, and deep hands-on F5/Infoblox expertise. This role requires US citizenship and collaboration with cross-functional teams to meet

Qualifications

• Must hold active TS/SCI clearance at time of hire.
• Bachelor’s degree in Computer Science or Information Technology with 12+ years in network architecture.
• Active IAT Level II certification (e.g., Security+ CE, CySA+, GSEC, or SSCP) is required.
• Cisco CCNA certification required; CCNP/CCIE preferred.
• U.S. citizenship is required.
• Minimum 8–10 years of progressive network engineering/architecture experience with ADN focus.
• Deep hands-on F5 BIG-IP (LTM/GTM) configuration, upgrades, and migrations.
• Extensive Infoblox DDI design and operation experience with Grid architecture and IPAM integration.

Responsibilities

• Design, implement, and optimize enterprise ADN and DDI infrastructure for mission critical DoD networks.
• Lead F5 BIG-IP LTM/GTM deployment and governance; ensure intelligent local/global load balancing.
• Architect and deploy Infoblox DDI across enterprise networks with DNS/DHCP/IPAM integration.
• Collaborate with developers, cybersecurity teams, and systems engineers to translate requirements into robust networks.
• Perform advanced troubleshooting, traffic analysis, and performance tuning for complex delivery pipelines.
• Create and maintain architectural docs, SOPs, and compliance traceability (DoW STIGs, IL5/IL6/IL7).
• Provide leadership and direction to cross-functional teams and coordinate with DoD operations centers.

Skills

F5 BIG-IP expertise

Infoblox DDI

GSLB and load balancing

DNS/DHCP/IPAM experience

DoD/NOC/SOC experience

Security clearance TS/SCI

Communication

Leadership

Network engineering fundamentals

Hybrid multi-cloud architectures

Education

Bachelor's degree in Computer Science / Information Technology

Active TS/SCI security clearance

Active IAT Level II certification (Security+ CE, CySA+, GSEC, or SSCP)

Cisco CCNA certification (CCNP/CCIE preferred)

United States Citizenship

Tools

F5 BIG-IP

Infoblox

Job description

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.

Benefits

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

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.