Cybersecurity System Administrator - Lead

Public Trust: None

Requisition Type: Regular

Your Impact

Own your opportunity to work with the largest government agency in the nation. Make an impact by advancing the Department of Defense’s mission to keep our country safe and secure.

Job Description

Transform technology into opportunity as a Cybersecurity Systems Administrator - Lead with GDIT. A career in enterprise IT means connecting and enhancing the systems that matter most. At GDIT you’ll be at the forefront of innovation and play a meaningful part in improving how agencies operate.

At GDIT, people are our differentiators. As a Cybersecurity Systems Administrator – Lead , you will help ensure today is safe and tomorrow is smarter. Our work depends on a Cybersecurity Systems Administrator - Lead joining our team to provide cyber technical support for the Cyber Security Operations Center (CSOC).

HOW AN INFORMATION SECURITY ANALYST ADVISOR WILL MAKE AN IMPACT:

Support will consist of configuring, tuning, optimizing, and maintaining critical security infrastructure to safeguard the organization's digital assets against evolving cyber threats.

You'll be responsible for overseeing the operation and maintenance of essential cybersecurity systems, including Security Information and Event Management (SIEM) technologies, Endpoint Detection Response (EDR) systems, network access control policies, and Security Orchestration, Automation, and Response (SOAR) platforms.

WHAT YOU’LL NEED TO SUCCEED:

• Education: Bachelor’s degree in information systems, Computer Science, Computer Engineering, Cybersecurity or another related field. Relevant work experience may be considered in lieu of a degree.

• Certification(s) Applicable DoD 8140 or DoD 8570 Certification

• Required Experience: 5+ plus years’ experience in cybersecurity administration, with a focus on configuring and managing SIEM, EDR, network access control, and SOAR platforms and other related security technologies

• Required Technical Skills:

• Proficiency in Linux environments, including system administration tasks and shell scripting for automation and customization.

• Solid understanding of cybersecurity principles, threat landscapes, and best practices for configuring and tuning security tools.

• Strong analytical skills and attention to detail, with the ability to troubleshoot complex technical issues and optimize system performance.

• Excellent communication and collaboration skills, with the ability to interact effectively with technical and non-technical stakeholders.

• Demonstrated ability to work independently, prioritize tasks, and meet deadlines in a dynamic and fast-paced environment.

• Required Skills and Abilities:

  • Configuration and Optimization:

    • Collaborate with cybersecurity stakeholders to define and implement effective configurations for SIEM, EDR, NAC and other cybersecurity detection and remediation solutions.

    • Customize and optimize alert rules, correlation searches, and detection mechanisms within SIEM to align with security requirements and organizational objectives.

    • Deploy new SIEM instances including clustered deployments and apps.

    • Fine-tune EDR policies, rulesets, and scanning parameters to enhance endpoint visibility and threat detection capabilities.

    • Configure network access control policies to enforce security posture and mitigate risks associated with unauthorized devices.

    • Ability to support Linux environment, editing and maintaining Splunk configuration files and apps.

    • Work with other Cybersecurity Engineering team members and will be required to interact with end users to gather requirements, perform troubleshooting, and aid with the creation of Splunk search queries and dashboards.

    • Integrate cyber tools with a variety of legacy data sources.

  • Maintenance and Support:

    • Conduct routine maintenance tasks, such as software updates, patches, and performance tuning, to ensure the reliability and efficiency of cybersecurity systems.

    • Provide timely support and troubleshooting assistance to address issues and incidents related to SIEM, EDR, NAC, and SOAR platforms, collaborating with vendors or higher-level support as necessary.

    • Perform regular system audits and health checks to identify vulnerabilities, misconfigurations, or performance issues, implementing corrective actions as needed.

    • Provide occasional presentations of tool capabilities to leadership

  • Policy Development and Compliance:

    • Develop and enforce configuration standards, security policies, and operational procedures for cybersecurity systems, ensuring compliance with regulatory requirements and industry best practices.

    • Monitor compliance with security policies and regulations through audits, assessments, and reporting activities, taking corrective actions to address any deviations or gaps.

    • Collaborate with compliance and audit teams to streamline regulatory compliance efforts and demonstrate adherence to security standards.

    • Integration and Automation: Integrate cybersecurity systems with other security controls, data sources, and IT infrastructure components to create a cohesive security ecosystem.

    • Develop and maintain automation scripts, playbooks, and workflows within the SOAR platform to automate routine tasks, orchestrate incident response processes, and enhance operational efficiency to assist the SOC.

    • Explore opportunities for innovation and continuous improvement by leveraging automation, orchestration, and integration with emerging technologies and industry trends.

  • Training and Knowledge Sharing:

    • Provide training sessions and document processes to empower internal teams with the knowledge and skills required to effectively utilize cybersecurity systems.

    • Share expertise, best practices, and lessons learned with colleagues through formal and informal channels, fostering a culture of collaboration and knowledge sharing within the cybersecurity team.

• Preferred Skills:

  • Prior CENTCOM/COCOM experience

  • Splunk Certifications

  • Previous Threat Hunting/SOC experience

  • Previous System Administration Experience

• Location: On site in Tampa, FL

• Security Clearance Level: TS/SCI

GDIT IS YOUR PLACE:

• 401K with company match

• Comprehensive health and wellness packages.

• Internal mobility team dedicated to helping you own your career.

• Professional growth opportunities including paid education and certifications.

• Cutting-edge technology you can learn from and utilize to make a real impact on the world around you.

• Rest and recharge with paid vacation and holidays.

Not sure this job’s the one for you? Check out our other openings at gdit.com/careers.

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Work Requirements

Years of Experience

5 + years of related experience

* may vary based on technical training, certification(s), or degree

Certification

CompTIA Security+ CE | CompTIA - CompTIA

Travel Required

Less than 10%

Citizenship

U.S. Citizenship Required