Network Architect SME with Security Clearance

Sarela Technology Solutions; Fort Belvoir (VA); On-site; USD 195,000 - 205,000; Full time

Job summary

SarelaTech is seeking a Senior Network Architect to design, implement, and optimize enterprise delivery and DDI infrastructure. You will lead F5 BIG-IP and Infoblox deployments, ensuring highly available, secure, and scalable network solutions across a hybrid multi-cloud environment to support mission-critical DoW networks.

The role requires TS/SCI clearance, a CS/IT degree, 12+ years of network experience, and certifications like Security+ and CCNA/CCNP.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, or a related technical discipline.
• 12+ years' experience in network engineering and architecture.
• Active Top Secret / SCI clearance at time of hire.
• Active IAT Level II certification (e.g., Security+ CE, CySA+, GSEC, or SSCP).
• Cisco CCNA and CCNP/CCIE preferred.

Responsibilities

• Design, deploy, and manage enterprise network architectures for mission-critical applications.
• Lead F5 BIG-IP/LTM and GTM deployments for local/global load balancing.
• Administer Infoblox DDI for DNS, DHCP, and IPAM.
• Collaborate with security, development, and systems teams to ensure resilient networks.
• Document architectures and compliance with DoW STIGs and ILx protocols.
• Provide troubleshooting, performance tuning, and optimization insights.

Skills

F5 BIG-IP expertise

Infoblox DDI

Network architecture

Cloud and hybrid networks

Leadership

Education

Bachelor's degree in Computer Science/Information Technology

Tools

F5 BIG-IP (LTM/GTM)

Infoblox DDI

TLS offloading

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. 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. Compensation: $195,000.00 - $205,000.00 per year Sarela Technology Solutions, LLC is an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on any basis or status protected under federal, state, or local law