Security Engineer

MANTECH • Doral, FL

16h • Onsite

About The Position

MANTECH seeks a motivated, career- and customer-oriented Security Engineer to join its team in Doral, Florida. The role supports defense missions by designing, deploying, configuring, and administering security and network infrastructure, including F5 BIG-IP appliances, RSA SecurID authentication systems, and Infoblox DDI services. The engineer works with technical teams to maintain secure access control and traffic management, manage system baselines and documentation, and improve system redundancy, security compliance, and performance. Applicants must hold a current, active TS/SCI security clearance.

Requirements

• Bachelor’s degree in Systems Engineering, Computer Science, Information Technology, or a related field and at least 5 years of network security engineering experience; alternatively, a master’s degree and at least 3 years of relevant experience, an associate’s degree and at least 7 years, or a high school diploma and at least 9 years.
• Proven 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 technical engineering documentation and architecture diagrams.
• Must hold a current, active TS/SCI security clearance.

Nice To Haves

• Professional certification such as F5 Certified Technology Specialist (F5-CTS), Infoblox Core Certified Administrator (ICCA), RSA Certified Administrator, or CompTIA Security+.
• Prior experience supporting U.S. Military Command operations, Combatant Command environments, or Department of Defense enterprise technical environments.
• Familiarity with DoD STIG compliance, automated vulnerability management (ACAS), and secure baseline auditing procedures.
• Ability to collaborate effectively across multidisciplinary engineering teams in fast-paced operational environments.

Responsibilities

• Design, deploy, configure, and administer F5 BIG-IP Local Traffic Managers (LTM), Access Policy Managers (APM), and Application Security Managers (ASM).
• Manage, configure, and maintain RSA SecurID Authentication Manager infrastructure and multifactor authentication token deployments across mission networks.
• Administer, optimize, and troubleshoot Infoblox Grid enterprise DNS, DHCP, and IP Address Management (IPAM) services.
• Collaborate with technical teams, network engineers, and system administrators to maintain secure system access control and traffic management.
• Conduct system patch management, security upgrades, baseline configuration management, and diagnostic troubleshooting for specialized security appliances.
• Maintain system baselines, configuration management records, and engineering documentation across physical and virtual network environments.
• Recommend and implement engineering process improvements to enhance system redundancy, security compliance, and traffic performance.

What This Job Offers

• Job Type: Full-time