Senior Network Architect – F5 & Infoblox Expert (TS/SCI)

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 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