Cybersecurity Systems Engineer Principal

Type of Requisition:
Regular

Clearance Level Must Currently Possess:
Secret

Clearance Level Must Be Able to Obtain:
Secret

Public Trust/Other Required:
None

Job Family:
Cyber and IT Risk Management

Job Qualifications:

Skills:
DISA STIG, Information Assurance, System Security
Certifications:
None
Experience:
8 + years of related experience
ship Required:
Yes

Job Description:

As a GDIT Cybersecurity Systems Engineer, the work you'll do will be impactful to the mission of our Federal, Intelligence and Defense customers. You will bring strong hands-on experience in vulnerability management and server security operations. This role will be responsible for performing vulnerability scanning, analyzing risk exposures, managing remediation workflows, and applying security patches and updates across enterprise servers and infrastructure. You will have a solid technical foundation in systems administration, continuous monitoring, combined with strong knowledge of security best practices, vulnerability assessment tools, and patch management process to help our federal customers build and maintain Zero Trust architecture.

As a Cybersecurity Systems Engineer, the work you'll do at GDIT will be impactful to the mission of DoD mission Zero Trust strategy.

Responsibilities:

• Perform regular vulnerability scans across enterprise servers, applications, and infrastructure using industry-standard tools (e.g., Tenable Nessus, Qualys, Rapid7).
• Analyze scan results, assess risk severity, validate findings, and prioritize remediation activities in coordination with system owners and engineering teams.
• Develop, maintain, and operate a vulnerability management program, including tracking, reporting, and remediation metrics for leadership.
• Apply and validate security patches, OS updates, and software upgrades on enterprise servers (Windows and Linux).
• Coordinate with infrastructure, application, and DevOps teams to ensure timely remediation of vulnerabilities while minimizing operational impact.
• Support compliance with security frameworks and standards (e.g., NIST 800-te, CIS Benchmarks, DISA STIG)
• Develop and maintain patch baselines, golden images, and configuration standards to reduce vulnerability recurrence.
• Document vulnerability management process, create runbooks, and contribute to continuous improvement initiatives.
• Participate in security audits, assessments, and reporting activities.

Required Qualifications:

• Bachelor's Degree (additional experience may be considered in lieu of a degree).
• Experience: 8+ years of related experience.
• Active SECRET clearance.
• Ability to resolve complex IT challenges.
• Proven track record of excellence in IT security, vulnerability management, or system administration.
• Hands-on experience with vulnerability scanning tools.
• Experience with patch management and tools/solutions.
• Strong understanding of Windows and Linux server administration.
• Knowledge of CVSS scoring, CVE tracking, and vulnerability prioritization.
• Knowledge of networking concepts, firewalls, and enterprise security practices.
• Strong problems solving skills.
• Excellent communications and documentation skills.

Preferred Qualifications:

• Experience working with Federal and Department of Defense customers desired.

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, and competitive pay and paid time off
• Flexibility: Full-flex work week to own your priorities at work and at home
• Community: Award-winning culture of innovation and a military-friendly workplace

OWN YOUR OPPORTUNITY
Explore a career in cyber at GDIT and you'll find endless opportunities to grow alongside colleagues who share your focus on defending and protecting what matters.

#cybergdit

The likely salary range for this position is $129,813 - $149,500. 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:
10-25%

Telecommuting Options:
Remote

Work Location:
Any Location / Remote

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. GDIT typically provides new employees with 15 days of paid leave per calendar year to be used for vacations, personal business, and illness and an additional 10 paid holidays per year. Paid leave and paid holidays are prorated based on the employee's date of hire. The GDIT Paid Family Leave program provides a total of up to 160 hours of paid leave in a rolling 12 month period for eligible employees. 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.

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Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans