Senior Security Engineer

Clearance Level
Cyber Engineering
Washington, District of Columbia

REQ#: RQ105910

Travel Required: Less than 10%
Requisition Type: Pipeline

We are GDIT. We support and secure some of the most complex government, defense, and intelligence projects across the country. At GDIT, cyber security is not just a singular part of our mission—it connects every one of us because it’s embedded into every aspect of what we do.

GDIT is your place. You make it your own by bringing your ideas and unique perspective to our culture. By owning your opportunity at GDIT, you are helping us ensure today is safe and tomorrow is smarter.

At GDIT, people are our differentiator. As a Senior Security Engineer, you will be trusted to support work on a program involving cybersecurity activities to include security architecture design, security solution engineering, network forensics, penetration testing, threat detection and incident response, threat assessments and intelligence, identity control and access management, authority to operate, ISSO support, security operations and vulnerability management.

Position Overview

Engineers IT security solutions, performs security engineering, develops security architecture artifacts, oversees penetration testing and security exercises, performs computer OS forensic analysis, supports network security, and automates security compliance for systems. Responsible for engineering security into system design documentation and configuring security tools.


  • Engineers systems and solutions to include the software, hardware, and communications to support the total requirements with emphasis on security as well as provide for present and future cross-functional requirements and interfaces. 
  • Identifies, assesses, and presents options for meeting the functional and technical requirements including hardware and software updates or upgrades. 
  • Deploys and operates cybersecurity tools such as BurpSuite, MetaSploit, SQLMap, NMAP, Nessus, and SoapUI
  • Performance of penetration testing and security exercises.
  • Secures network systems and participates in vulnerability scans using Tenable Nessus.
  • Utilizes tools to perform network security monitoring
  • Implements solutions to automate security compliance of systems.
  • Collects and reviews security analytic measures and oversees security incident detection activities.
  • Responsible for developing high level system design diagrams. 
  • Ensures systems are compatible and in compliance with the standards for open systems architectures, Agency architectures, and the Open Systems Interconnection
  • Ensures that the operating environment is security compliant. 
  • Evaluates IT enclave systems and assess risk posture and system security findings and recommends mitigation.
  • Evaluates analytical and systematic problems of workflows, organization and planning and develops appropriate corrective action.


  • Ten (10) years of computer information technology experience.
  • Four (4) years of cybersecurity experience engineering and designing IT security solutions
  • Certification: CISSP (required) with ISSEP concentration (desired)
  • Bachelor Degree in Computer Science, Information Management (IM), Information Technology, Engineering, or equivalent
  • Knowledge of Agile methodologies and experience using agile to implement projects within a federal government environment
  • Experience managing personnel with diverse IT skills
  • 5 years of experience on large government contract within the past ten years
  • PMP certification (desired)
  • ITIL 4 Foundation certification (desired)
  • Public Trust clearance capability with National Agency Check with Inquiries (NACI)

Key Word Search strings

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About Our Work

We are GDIT. The people supporting some of the most complex government, defense, and intelligence projects across the country. We deliver. Bringing the expertise needed to understand and advance critical missions. We transform. Shifting the ways clients invest in, integrate, and innovate technology solutions. We ensure today is safe and tomorrow is smarter. We are there. On the ground, beside our clients, in the lab, and everywhere in between. Offering the technology transformations, strategy, and mission services needed to get the job done.

COVID-19 Vaccination

GDIT does not have a vaccination mandate applicable to all employees. To protect the health and safety of its employees and to comply with customer requirements, however, GDIT may require employees in certain positions to be fully vaccinated against COVID-19. Vaccination requirements will depend on the status of the federal contractor mandate and customer site requirements.

GDIT is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.