Security Engineer

Archer; Florida; On-site; USD 110,000 - 160,000; Full time

Job summary

MANTECH seeks a motivated Security Engineer to join the team in Doral, FL. You will design, deploy, and maintain secure network services, including F5 BIG-IP, RSA SecurID, and Infoblox DDI, while collaborating across engineering teams to sustain strong access controls and protected traffic.

This role requires a TS/SCI security clearance and a hands-on, customer-focused approach to safeguarding mission networks in a fast-paced environment.

Qualifications

• Bachelor's degree in Systems Engineering, Computer Science, Information Technology, or related field with 5+ years in network security engineering
• Masters degree with 3+ years of relevant experience or Associate degree with 7+ years of relevant experience

Responsibilities

• Designing, deploying, configuring, and administering F5 BIG-IP LTM, APM, and ASM.
• Managing RSA SecurID infrastructure and MFA token deployments across mission networks.
• Administering Infoblox Grid DNS, DHCP, and IPAM core services.
• Collaborating with cross-functional teams to maintain secure system access and traffic management.
• Performing patch management, security upgrades, and baseline configuration management.
• Maintaining baselines, CM records, and engineering documentation across physical and virtual environments.
• Recommending and implementing process improvements to enhance redundancy, security, and traffic performance

Skills

Network security engineering

SSL/TLS offloading

DoD security environment familiarity

Education

Bachelor's degree in Systems Engineering/CS/IT

Tools

F5 BIG-IP appliances

RSA SecurID

Infoblox DDI

Job description

Archer is collaborating with MANTECH to connect them with exceptional professionals for this role.

MANTECH seeks a motivated, career and customer-oriented Security Engineer to join our team in Doral, FL.

Responsibilities Include But Are Not Limited To

• Designing, deploying, configuring, and administering F5 BIG-IP Local Traffic Managers (LTM), Access Policy Managers (APM), and Application Security Managers (ASM).
• Managing, configuring, and maintaining RSA SecurID Authentication Manager infrastructure and multifactor authentication (MFA) token deployments across mission networks.
• Administering, optimizing, and troubleshooting Infoblox Grid enterprise DNS, DHCP, and IP Address Management (IPAM) core network services.
• Collaborating with cross-functional technical teams, network engineers, and system administrators to maintain secure system access control and traffic management.
• Conducting routine system patch management, security upgrades, baseline configuration management, and diagnostic troubleshooting for specialized security appliances.
• Maintaining system baselines, configuration management records, and engineering documentation across physical and virtual network environments.
• Recommending and implementing continuous engineering process improvements to enhance system redundancy, security compliance, and traffic performance.

Minimum Qualifications

• Bachelor's degree in Systems Engineering, Computer Science, Information Technology, or a related field with 5+ years of experience in network security engineering.
  • OR a master's degree and 3+ or more years of relevant experience
  • OR an associate's degree and 7+ or more years of relevant experience
  • OR a high school diploma and 9+ or more years of relevant experience
• 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.

Preferred Qualifications

• Relevant professional certifications 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.
• Demonstrated ability to collaborate effectively across multi-disciplinary engineering teams in fast-paced operational environments.

Clearance Requirements

• Must hold a current/active TS/SCI security clearance.

Physical Requirements

• Must be able to remain in a stationary position 50%.
• Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
• Frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.