Cybersecurity Systems Administrator

General Dynamics IT; Tampa (FL); On-site; USD 120,000 - 150,000; Full time

Job summary

General Dynamics IT is seeking a Cybersecurity Systems Administrator in Tampa to support UISCENTCOM. You will configure and maintain SIEM, EDR, SOAR, and network access control, ensuring secure, scalable operations in a Linux environment.

You’ll tune alert rules, run health checks, and collaborate with cybersecurity engineers to deliver compliant defenses. The role requires 5+ years of experience and TS/SCI clearance, with DoD 8140/8570 certs preferred.

Qualifications

• Bachelors degree or higher in a related field.
• DoD 8140/8570 certification required or equivalent.
• Minimum 5+ years of related cybersecurity/IT risk management experience.
• Proficiency with Linux administration and automation.
• Current TS/SCI clearance required or clearly stated eligibility.

Responsibilities

• Configure, tune, and optimize SIEM, EDR, and network access control solutions for CSOC operations.
• Maintain cybersecurity systems, perform patches, and conduct health checks for reliability and performance.
• Develop standards and ensure compliance with security policies and regulatory requirements.
• Integrate tools with data sources and automate response workflows in SOAR.
• Provide training and knowledge sharing within the cybersecurity team.
• Engage with end users to gather requirements and assist in security analytics and dashboards.

Skills

Software Updates

System Configuration

System Optimization

Technical Support

Troubleshooting

Education

Bachelor's degree in Information Systems, Computer Science, Computer Engineering, or related field

DoD 8140 or DoD 8570 Certification

Tools

Splunk

EDR

SOAR

Job description

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:

Cyber and IT Risk Management

Job Qualifications:

Skills: Software Updates, System Configuration, System Optimization, Technical Support, Troubleshooting

Certifications: None

Experience: 5 + years of related experience

US Citizenship Required: Yes

Job Description:

As a Cybersecurity Systems Administrator , the work you'll do at GDIT will be impactful to the mission of UISCENTCOM. You will play a crucial role in provide 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.

Responsibilities:

• 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 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.

WHAT YOU'LL NEED TO SUCCEED

• Education: Bachelor's degree in Information Systems, Computer Science, Computer Engineering, or another related field
• Certification: Applicable DoD 8140 or DoD 8570 Certification
• Experience: 5+ years of related experience
• 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 bes