Senior Security Engineer - F5, RSA MFA & DoD Ops

ManTech; Florida; On-site; USD 110,000 - 150,000; Full time

Job summary

MANTECH seeks a motivated Security Engineer in Doral, FL to join a customer-focused team. Responsibilities include deploying and managing F5 BIG-IP LTM/APM/ASM, RSA SecurID MFA, and Infoblox DDI infrastructure, with a focus on secure access control, patch management, and configuration governance.

Required qualifications include a 5+ year background in network security engineering, or advanced degrees with experience, and current TS/SCI clearance.

Qualifications

• Bachelor's degree with 5+ years in network security engineering or equivalent.
• Experience configuring, administering, and troubleshooting F5 BIG-IP appliances (LTM, APM, ASM), RSA SecurID systems, and Infoblox DDI infrastructure.
• Strong background in network security engineering, SSL/TLS offloading, access management, DNS/DHCP protocol analysis, and traffic management.
• Experience maintaining system baselines, configuration management controls, and security patch deployment schedules.
• Experience creating, maintaining, and communicating complex engineering documentation and architecture diagrams.

Responsibilities

• Design, deploy, configure, and administer F5 BIG-IP LTM/APM/ASM.
• Manage RSA SecurID MFA deployment across networks.
• Administer Infoblox DNS/DHCP/IPAM infrastructure.
• Collaborate with cross-functional teams to ensure secure access control and traffic management.
• Perform patch management, security upgrades, and baseline configuration reviews.
• Maintain baselines and engineering documentation across physical and virtual networks.
• Recommend and implement process improvements for redundancy and security.

Skills

Network security engineering

SSL/TLS offloading

Access management

DNS/DHCP analysis

Traffic management

Education

Bachelor's degree in Systems Engineering, Computer Science, Information Technology, or a related field

Master's degree and 3+ years of relevant experience

Associate's degree and 7+ years of relevant experience

High school diploma and 9+ years of relevant experience

Tools

F5 BIG-IP LTM/APM/ASM

RSA SecurID

Infoblox DDI

Job description

MANTECH seeks a motivated Security Engineer in Doral, FL to join a customer-focused team. Responsibilities include deploying and managing F5 BIG-IP LTM/APM/ASM, RSA SecurID MFA, and Infoblox DDI infrastructure, with a focus on secure access control, patch management, and configuration governance.

Required qualifications include a 5+ year background in network security engineering, or advanced degrees with experience, and current TS/SCI clearance.