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Zero Trust Security Solutions SME

General Dynamics Information Technology

140k - 190k USD/year

Office

MacDill AFB (FLC007), United States

Full Time

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

Top Secret/SCI

Clearance Level Must Be Able to Obtain:

Top Secret/SCI

Public Trust/Other Required:

None

Job Family:

IT Infrastructure and Operations

Job Qualifications:

Skills:

Infrastructure Security, Monitoring Tools, Splunk Enterprise Security

Certifications:

None

Experience:

10 + years of related experience

US Citizenship Required:

Yes

Job Description:

Advance how our customers operate while you advance your career. Join GDIT as a Zero Trust Security Solutions Subject Matter Expert and build an impactful career in enterprise IT, collaborating with people who are driven and resourceful like you.

MEANINGFUL WORK AND PERSONAL IMPACT

As a Zero Trust Security Solutions SME, the work you’ll do at GDIT will be impactful to the mission of supporting infrastructure security on the CITS contract for USCENTCOM. You will play a crucial role in leading the design, deployment, and optimization of advanced security solutions across USCENTCOM’s network enclaves, aligned with Zero Trust principles.

Duties and Responsibilities:

  • Design, deploy, and manage advanced security solutions, including endpoint detection and response (EDR) tools such as Trellix HX, ENS, and XDR.
  • Implement and manage user activity monitoring (UAM) tools with user/entity behavioral analytics (UEBA) capabilities, such as Fortinet or Forescout, to detect and respond to anomalous user behavior.
  • Deploy and optimize Splunk SOAR, SIEM, and UBA solutions to enhance security operations and incident response capabilities.
  • Conduct security assessments to identify vulnerabilities and recommend Zero Trust-aligned mitigations.
  • Collaborate with IT teams to design and implement infrastructure solutions that incorporate Zero Trust principles.
  • Ensure compliance with DoD cybersecurity standards and frameworks.
  • Build, deploy, and maintain security applications and integrations with existing systems.
  • Install critical system patches and perform system upgrades for security infrastructure.
  • Interact with end-users to understand and evaluate functional requirements related to security solutions.
  • Interface with third-party vendors for troubleshooting and support of security tools (e.g., Trellix, Splunk, Fortinet, Forescout).
  • Maintain system documentation and prepare process guides for security administration tasks.
  • Support projects to enhance operational efficiency and security.
  • Track and escalate problems at the appropriate priority level.
  • Produce management reports and informational packets to support process improvements within the security space.
  • Provide expert-level guidance and mentorship to junior security engineers and administrators.
  • Stay current with emerging security technologies and trends to continuously improve the organization’s security posture.

WHAT YOU’LL NEED TO SUCCEED

Bring your technology expertise and drive for innovation to GDIT. The Systems Engineer Sr Principal must have:

  • Certification:
    • Applicable DoD 8140 or DoD 8570 Certification (e.g., Security+, CISSP, CEH, CASP).
    •  Splunk Enterprise Security Certified Admin
  • Experience: 10+ years of related experience
  • Technical skills:
    • 10+ years of experience in cybersecurity architecture and solutions engineering, with a focus on Zero Trust principles.
    • Hands-on experience deploying and managing Trellix HX, ENS, and XDR solutions.
    • Expertise in implementing and managing Splunk SOAR, SIEM, and UBA platforms.
    • Proficiency in deploying and managing user activity monitoring (UAM) tools with UEBA capabilities, such as Fortinet or Forescout.
    • Strong knowledge of DoD cybersecurity standards and frameworks.
    • Familiarity with advanced security technologies, including intrusion detection/prevention systems (IDS/IPS) and threat intelligence platforms.
    • Understanding of Certificate Lifecycle Management.
    • Ability to prepare comprehensive documentation for systems administration tasks.
  • Preferred Skills:
    •  Trellix Certified Professional
    •  Splunk Core Certified Power User
    • Hands-on experience with cutting-edge technologies and will provide expert guidance to enhance the organization’s security posture.
    • Experience with USCENTCOM and familiarity with its mission.
    • Experience working in cross-functional IT teams and projects.
    • Knowledge of scripting languages (e.g., PowerShell) for automation tasks related to security.
  • Security clearance level: TS/SCI
  • US citizenship required
  • Role requirements:
    • System performance tuning and optimization of security infrastructure.
    • Review and preparation of comprehensive documentation for systems administration tasks related to security.
    • Support cross-functional IT teams and projects focused on Zero Trust implementation.

GDIT IS YOUR PLACE

At GDIT, the mission is our purpose, and our people are at the center of everything we do.

  • Growth: AI-powered career tool that identifies career steps and learning opportunities
  • Support: An internal mobility team focused on helping you achieve your career goals
  • Rewards: Comprehensive benefits and wellness packages, 401K with company match, competitive pay and paid time off
  • Community: Award-winning culture of innovation and a military-friendly workplace

OWN YOUR OPPORTUNITY

Explore an enterprise IT career at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.

The likely salary range for this position is $140,250 - $189,750. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

Scheduled Weekly Hours:

40

Travel Required:

Less than 10%

Telecommuting Options:

Onsite

Work Location:

USA FL MacDill AFB

Additional Work Locations:

Total Rewards at GDIT:

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, and 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. To ensure our employees are able to protect their income, other offerings such as 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. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.

Join our Talent Community to stay up to date on our career opportunities and events at

gdit.com/tc.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

Zero Trust Security Solutions SME

Office

MacDill AFB (FLC007), United States

Full Time

140k - 190k USD/year

September 12, 2025

company logo

General Dynamics Information Technology

GDIT