Cybersecurity Systems Administrator

General Dynamics Information Technology-posted 1 day ago
$106,250 - $143,750/Yr
Full-time • Mid Level
Onsite
5,001-10,000 employees
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Advance your career while impacting our national security in cyber as a Cybersecurity Systems Administrator at GDIT. Here, technologists have many paths to grow a meaningful career supporting cyber missions and operations across the federal government. MEANINGFUL WORK AND PERSONAL IMPACT: 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 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.
  • 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: 3+ years of related experience in cybersecurity administration, with a focus on configuring and managing SIEM, EDR, network access control, and SOAR platforms
  • 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.
  • Demonstrates ability to work independently, prioritize tasks, and meet deadlines in a dynamic and fast-paced environment.
  • Security clearance level: TS/SCI clearance required.
  • US citizenship required
  • Prior CENTCOM/COCOM experience
  • Previous SOC experience is a plus
  • Previous cyber system administration is a plus
  • Linux experience
  • 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.
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