Cybersecurity Systems Administrator

Type of Requisition

Regular

Top Secret/SCI

Top Secret/SCI

None

Cyber and IT Risk Management

Skills:

Collaborating, Cybersecurity Compliance, SIEM Tools

Certifications:

None

Experience:

3 + years of related experience

US Citizenship

Required:

Yes

Advance your career while impacting our national security in cyber as a Cybersecurity Systems Administrator e, technologists have many paths to grow a meaningful career supporting cyber missions and operations across the federal government.

As a Cybersecurity Systems Administrator, the work you’ll do at GDIT will be impactful to the mission of USCENTCOM. You will play a crucial role in providing cyber technical support for Cyber Operations Security Operations Center (CSOC). 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), Endpoint Detection Response (EDR) systems, network access control (Comply-to-Connect), and Security Orchestration, Automation, and Response (SOAR) platforms.

Configuration and Optimization:

• Collaborate with cybersecurity stakeholders to define and implement effective configurations for SIEM, EDR, and network access control 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 for the comply‑2‑connect solution 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 provide assistance with the creation of Splunk search queries and dashboards.
• Integrate cyber tools with 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, C2C, 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.
• Explore opportunities for innovation and continuous improvement by leveraging automation, orchestration, and integration with emerging technologies and…