Cybersecurity Systems Administrator

Posted Yesterday
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MacDill Estates, FL, USA
In-Office
105K-143K Annually
Mid level
Aerospace • Information Technology • Professional Services • Security • Software
The Role
Administer and optimize cybersecurity infrastructure supporting U.S. Central Command. Configure and maintain SIEM, EDR, network access control, and SOAR platforms; develop detection rules, dashboards, integrations, automation scripts, and response workflows. Perform patching, audits, troubleshooting, compliance monitoring, documentation, training, and stakeholder support. The role requires Linux administration, cybersecurity expertise, a TS/SCI clearance, and U.S. citizenship.
Summary Generated by Built In

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:

Analytical Thinking, Cybersecurity Strategies, Linux Management

Certifications:

None

Experience:

3 + years of related experience

US Citizenship Required:

Yes

Job Description:

As the Cybersecurity Systems Administrator, you will provide cyber technical support for U.S. Central Command.  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.


Qualifications:

·         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.

HOW A CYBERSECURITY SYSTEMS ADMINISTRATOR WILL MAKE AN IMPACT


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 Cybersecurity Administrator must have:

  • Education: Bachelor’s degree in Information Systems, Computer Science, Computer Engineering, or another related field
  • Certifications: Relevant certifications (e.g., Security+, CISSP, GIAC, Splunk Core Certified Power User)
  • Experience: Five plus (3 to 5+) years’ experience in cybersecurity administration, with a focus on configuring and managing SIEM, EDR, network access control, and SOAR platforms
  • Security clearance level: TS/SCI
  • US citizenship required

Desired Qualifications

·         Prior CENTCOM/COCOM experience·         Previous SOC experience is a plus·         Previous cyber system administration is a plus·         Linux experience

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, competitive pay and paid time off
  • Community: Award-winning culture of innovation and a military-friendly workplace

#cencomcits

#gditpriority

The likely salary range for this position is $105,400 - $142,600. 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:

Less than 10%

Telecommuting Options:

Onsite

Work Location:

USA FL MacDill AFB

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. 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.

Join our Talent Community to stay up to date on our career opportunities and events at

gdit.com/tc.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

Skills Required

  • Bachelor's degree in Information Systems, Computer Science, Computer Engineering, or a related field
  • 3 or more years of related experience
  • Experience administering cybersecurity systems, including SIEM, EDR, network access control, and SOAR platforms
  • Proficiency in Linux environments, system administration, and shell scripting
  • Understanding of cybersecurity principles, threat landscapes, and security tool configuration
  • Strong analytical, troubleshooting, communication, and collaboration skills
  • Top Secret/SCI security clearance
  • U.S. citizenship
  • Relevant certifications such as Security+, CISSP, GIAC, or Splunk Core Certified Power User
  • Prior CENTCOM or COCOM experience
  • Previous SOC experience
  • Previous cyber system administration experience

General Dynamics Information Technology Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about General Dynamics Information Technology and has not been reviewed or approved by General Dynamics Information Technology.

  • Affordable Benefits — Pay and benefits are described as good or okay in multiple places, and the overall package is often portrayed as acceptable even when base pay is not viewed as top-tier.
  • Healthcare Strength — Medical, dental, and vision plan options are presented as comprehensive, with additional protections like disability and life insurance contributing to a well-rounded health and protection offering.
  • Retirement Support — A 401(k) plan with company match is consistently highlighted as part of the total rewards package, supporting longer-term financial planning.

General Dynamics Information Technology Insights

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The Company
HQ: Falls Church, VA
21,625 Employees

What We Do

We are GDIT. The people supporting some of the most complex government, defense, and intelligence projects across the country. We deliver. Bringing the expertise needed to understand and advance critical missions. We transform. Shifting the ways clients invest in, integrate, and innovate technology solutions. We ensure today is safe and tomorrow is smarter. We are there. On the ground, beside our clients, in the lab, and everywhere in between. Offering the technology transformations, strategy, and mission services needed to get the job done.

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