Network Security Engineer, Cyber Architect 3

Mission Technologies, a division of HII

Network Security Engineer providing cybersecurity support for U.S. Special Operations Command.

Posted 7/10/2026full-timeTampa • Florida • 🇺🇸 United StatesMid-LevelSenior💰 $98,280 - $130,000 per yearWebsite

Tech Stack

Tools & technologies

CloudCyber SecurityFirewalls

About the role

Key responsibilities & impact

Design, implement, and execute network security maintenance regimens to support secure and resilient operations.
Configure and maintain physical and virtual firewalls, including cloud‑based security appliances, in accordance with DoD and SOCOM requirements.
Work closely with the customer’s Security Officer to support and enhance the organization's security program.
Implement the technical aspects of the customer’s cybersecurity program, ensuring compliance with applicable DoD policies.
Facilitate internal and external security audits, assessments, and inspections.
Translate cybersecurity and operational requirements into compliant and secure network configurations.
Provide full lifecycle support for firewalls, switches, wireless networks, and associated network security components.
Monitor network performance and implement improvements to enhance reliability, efficiency, and security.
Perform root cause analysis of security incidents and network‑related events; develop and implement corrective actions.
Develop, document, and maintain complex network configurations and architecture documentation.
Analyze existing network schemas and configurations to identify vulnerabilities and recommend security enhancements.
Apply structured engineering methodologies to plan, coordinate, and implement network security projects.

Requirements

What you’ll need

5 years relevant experience with Bachelors in related field; 3 years relevant experience with Masters in related field; or High School Diploma or equivalent and 9 years relevant experience.
Experience providing network security engineering or cybersecurity support to SOCOM, DoD agencies, or other government defense programs.
Knowledge of DoD network security policies, firewall administration, and secure network architecture best practices.
Experience configuring and maintaining firewalls, network switches, wireless infrastructure, and virtual/cloud security appliances.
Ability to translate security requirements into compliant network configurations aligned with DoD cybersecurity standards.
Experience conducting root cause analysis of security incidents and implementing risk mitigation strategies.
Knowledge of network performance monitoring, troubleshooting techniques, and optimization practices.
Ability to develop and maintain network diagrams, configuration baselines, and technical documentation in accordance with DoD guidelines.
Strong understanding of secure network protocols, segmentation, access control, and defensive cybersecurity measures.
Ability to collaborate with Security Officers, engineers, system administrators, and government stakeholders to resolve technical issues.
Strong written and verbal communication skills, with the ability to prepare documentation and brief technical concepts.

Benefits

Comp & perks

Best-in-class medical, dental and vision plan choices
Wellness resources
Employee assistance programs
Savings Plan Options (401(k))
Financial planning tools
Life insurance
Employee discounts
Paid holidays and paid time off
Tuition reimbursement
Early childhood and post-secondary education scholarships

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Network Security MaintenanceFirewall ConfigurationNetwork Switch AdministrationWireless Infrastructure ManagementCloud Security Appliance ManagementNetwork Configuration DevelopmentSecurity Incident AnalysisRisk Mitigation StrategiesNetwork Diagram DevelopmentTechnical Documentation

Soft Skills

CollaborationWritten CommunicationVerbal Communication