Cybersecurity Systems Administrator

General Dynamics Information Technology (GDIT); Tampa (FL); On-site; USD 90,000 - 120,000; Full time

Benefits offered by this job

401K with company match

Paid time off

Flexible work weeks where possible

Job summary

General Dynamics Information Technology (GDIT) seeks a Cybersecurity Systems Administrator to support UISCENTCOM’s CSOC. You will configure and maintain SIEM, EDR, and network access controls, tune alerts, and collaborate with security teams to protect critical assets.

Responsibilities include deploying SIEM clusters, optimizing detection rules, and integrating tools with data sources while ensuring compliance with DoD 8140/8570 standards. TS/SCI clearance and US citizenship are required.

Qualifications

• Bachelor’s degree in Information Systems, Computer Science, Computer Engineering, or related field.
• DoD 8140 or DoD 8570 certification preferred.
• 5+ years of related experience in cybersecurity systems administration.

Responsibilities

• Configure, tune, and maintain SIEM, EDR, and network access controls.
• Develop and optimize alert rules, detections, and dashboards.
• Deploy and manage SIEM instances and clustering.
• Tune EDR policies and scanning parameters for improved visibility.
• Integrate cyber tools with legacy data sources and automate tasks via SOAR.
• Perform routine maintenance, audits, and health checks for security systems.

Skills

Linux administration

SIEM tuning

EDR & SOAR

Threat detection

Troubleshooting

Education

Bachelor’s degree in Information Systems, CS, or related field

Tools

Splunk

SOAR

SIEM

EDR

Comply-to-Connect

Job description

Req ID: RQ228529

Type of Requisition: Regular

Clearance Level Must Be Able to Obtain: Top Secret/SCI

Public Trust/Other Required: None

Job Family: Cyber and IT Risk Management

Skills:

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

Certifications:

CompTIA Security+ CE | CompTIA - CompTIA

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

Bring your cyber expertise and drive for innovation to GDIT. The Information Security Analyst Principal must have:

• 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 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.

• Desired Skills:

• Prior CENTCOM/COCOM experience

• Previous SOC experience is a plus

• Previous cyber system administration is a plus

• Linux experience

• Security clearance level: TS/SCI

• US citizenship required

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, competitive pay and paid time off

• Community: Award-winning culture of innovation and a military-friendly workplace

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. 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.

Our Identity Verification Process:

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.

About Our Work:

We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 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 mission-ready capabilities in AI, cloud, cyber and software development.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans