Senior Security Engineer

General Dynamics Information Technology

Senior Security Engineer designing and deploying enterprise-wide security systems for GDIT. Leading a team and ensuring compliance with security standards and government guidelines.

Posted 6/16/2026full-timeMaryland • 🇺🇸 United StatesSenior💰 $164,382 - $189,750 per yearWebsite

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Hard Skills

network security solutionssecurity infrastructure designFirewallsIDS/IPScontent filtersSSL-Visibility systemssecurity architecturecybersecurity risk evaluationsecurity engineering principlesinformation system security controls

Soft Skills

people managementteam leadershipconflict resolutionperformance managementcollaborative work environmenttechnical guidancecareer developmentproject coordinationeffective decision makinginclusive team culture

Certifications & Qualifications

Palo Alto certificationCisco certificationJuniper certification

Industry Keywords

datacentersvirtual cloud environmentsagency IT standardscompliancerisk mitigationsecurity infrastructure projectsenterprise-wide solutionsthreat analysissecurity policyperformance improvement

Tech Stack

Tools & technologies

CloudCyber SecurityFirewalls

About the role

Key responsibilities & impact

Manage the analysis and design of network security solutions in datacenters and virtual cloud environments.
Provide technical and administrative direction to personnel responsible for security infrastructure design, implementation, and operations tasks, ensuring the correctness of work products.
Make recommendations and oversee major security infrastructure installations.
Ensure that the security architecture complies with agency IT standards and integrates well with other systems and external interfaces.
Develop an understanding of, and implement, agency security policy in network security infrastructure devices.
Evaluate cybersecurity risks to ensure that critical data and systems are protected per federal government guidelines and integrated with enterprise-wide solutions.
Analyze trends, news, and changes in threat and compliance environments. Advise organization management and develop and execute plans for compliance and mitigation of risk.
Apply security engineering principles and theory to propose design and configuration alternatives.
Evaluate existing security systems to identify deficiencies and areas for performance improvement.
Architect, design, implement, maintain, and operate information system security controls and countermeasures.
Provide technical guidance to personnel concerning security requirements and potential solutions or mitigation options.
Lead, mentor, and manage a team of security professionals, fostering a collaborative and high-performance work environment.
Conduct performance reviews, provide career development guidance, and support the professional growth of team members.
Coordinate and oversee team projects, ensuring effective delegation, and timely completion of tasks.
Resolve conflicts and make effective decisions regarding personnel matters, promoting a positive and inclusive team culture.

Requirements

What you’ll need

Minimum of 15 years' experience as a Security Engineer.
Specialized experience with designing, deploying, and maintaining enterprise-wide or large-scale network security systems, including Firewalls, IDS/IPS, content filters, and SSL-Visibility systems.
Advanced security certification from Palo Alto, Cisco, or Juniper. Palo Alto is preferred
Strong people management skills, including team leadership, conflict resolution, and performance management.
Ability to manage the design and implementation of network security solutions in datacenters and virtual cloud environments.
Technical and administrative oversight of security infrastructure projects.
Ensuring compliance with agency IT standards and security architecture.
Cybersecurity risk evaluation and protection for critical data and systems.
Expertise in security architecture, design, implementation, and operations.
Analyzing trends and compliance environments to advise on risk and mitigation strategies.

Benefits

Comp & perks

Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts
dental plan options
a vision plan
a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match
To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave.
short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available.