General Dynamics Information Technology is hiring: Cybersecurity Systems Adminis

Req ID: RQ183196

Type of Requisition: Regular

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

Public Trust/Other Required: None

Job Family: Systems Administration

Skills:

Cybersecurity,Security Infrastructure,Security Operations

Certifications:

Security+, CE - Sec+ CE

Experience:

5 + years of related experience

US Citizenship Required:

Yes

Job Description:

Cybersecurity Systems Administrator

Clearance: Active TS with SCI

Time Type: Full-Time

Position Overview :

As the Cybersecurity Systems Administrator, you will provide cyber technical support for Cyber Operations Security Operations Center (CSOC). Support will consist of overseeing and managing the 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 (NAC), 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 within Forescout 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 aid 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, Forescout, 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

• Work with various procurement sections to evaluate, provision and deploy cybersecurity products and services.

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 (Swimlane) 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.

Qualifications :

• Bachelor's degree in Computer Science, Information Security, or a related field. Relevant certifications (e.g., Security+, CISSP, GIAC, Splunk Core Certified Power User) are advantageous.

• 5+ years of experience in cybersecurity administration, with a focus on configuring and managing SIEM, EDR, network access control, and SOAR platforms.

• 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.

The likely salary range for this position is $85,000 - $115,000. 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.

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.

We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 30 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.

We connect people with the most impactful client missions, creating an unparalleled work experience that allows them to see their impact every day. We create opportunities for our people to lead and learn simultaneously. From securing our nation’s most sensitive systems, to enabling digital transformation and cloud adoption, our people are the ones who make change real.

GDIT is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.