Cybersecurity Engineer (Linux)

General Dynamics Information Technology • McLean, VA

9h • Onsite

About The Position

We are seeking a highly skilled and multi-faceted Cyber Engineer for a critical contract role supporting Google's SIPRNet enclave. The ideal candidate is a proactive and seasoned professional with extensive, hands-on experience navigating Red Hat Linux, the NIST 800-53 Risk Management Framework (RMF) control requirements, and Security Operations for a classified network in a unique commercial cloud setting. This role requires a blend of technical engineering prowess to provide Security Operations support as well as a deep understanding of continuous monitoring control requirements to prepare for security assessments and auditing. You will be a key contributor to our SIPR Enclave team, supporting the SIPR Enclave Lead in RMF activities and the Senior Cyber Engineer in security operations support. How the Cybersecurity Engineer will make an impact: From a RMF perspective, as directed by the SIPR Enclave Lead - Supports maintaining the Continuous Monitoring program, specifically around vulnerability management, endpoint security, auditing, and security alert triage/monitoring. Supports control implementation statement updates, documentation development for plans or procedures, artifact identification for assessments, and body of evidence generation. Supports POAM mitigation and/or remediation activities. From a Security Tools administrative perspective, as directed by the Senior Cyber Engineer, the Engineer - Ability to update and maintain security tool versions (Splunk, Trelix, etc) Configure, patch, and update the Linux operating systems Monitors the following security applications: Splunk, Trelix, Tenable) Scanning implementation (Tenable.sc, SCC Tool) SIEM implementation (Splunk) Endpoint security implementation (Trellix) Works with the vendors of the security applications as applicable to maintain security updates, licenses, resolve support issues (e.g., for Tenable plugins), etc. For the SIEM: Ensure security systems are up to date and implemented. Validate the telemetry from the hosts and security applications are forwarded to the SIEM. Configures alerts for privileged activity that would be conducted in the enclave as well as alerts from security advisories. Triages all alerts from the SIEM to ensure activity in the environment is authorized. Investigates, resolves, and reports security incidents in alignment with the Incident Response Plan. For scanning/STIGs: Ensures the inventory of hosts and recurring/ad-hoc scan policies are accurate. Reviews the scans to confirm correct, actionable data is generated to support the patching activities. Reviews STIG results and supports the team in implementing corrective action as applicable. For endpoint management: Ensures all hosts can be seen in the endpoint security application with ongoing monitoring and applicable policies applied. Triages all alerts from the tool to ensure activity in the environment is authorized. For insider threat monitoring: Ensures deployment of tool and related modules are performing as intended. Monitors aggregate user data as directed. Designs, develops, tests, and evaluates information system security throughout the systems development life cycle.

Requirements

• BA/BS Degree or equivalent experience in lieu of degree
• 8+ years of related experience
• Ability to use security operations of Splunk and Trelix.
• Ability to update security applications, such as Splunk and Trelix.
• Ability to harden the system using STIGs.
• Ability to update the underlying security tools Linux operating system.
• Knowledge of the complete NIST SP 800 series (especially 800-37, 800-53, 800-30) and risk management principles.
• Must be DoD 8140 / 8570.01-M compliant (e.g., including but not limited to Security+)
• Must possess a current and active Top Secret (Sensitive Compartmented Information [SCI] eligibility).
• US Citizenship Required

Nice To Haves

• Hands-on experience with security operations of Teramind.
• Hands-on experience with Tenable.sc.

Responsibilities

• Supports maintaining the Continuous Monitoring program, specifically around vulnerability management, endpoint security, auditing, and security alert triage/monitoring.
• Supports control implementation statement updates, documentation development for plans or procedures, artifact identification for assessments, and body of evidence generation.
• Supports POAM mitigation and/or remediation activities.
• Ability to update and maintain security tool versions (Splunk, Trelix, etc)
• Configure, patch, and update the Linux operating systems
• Monitors the following security applications: Splunk, Trelix, Tenable)
• Scanning implementation (Tenable.sc, SCC Tool)
• SIEM implementation (Splunk)
• Endpoint security implementation (Trellix)
• Works with the vendors of the security applications as applicable to maintain security updates, licenses, resolve support issues (e.g., for Tenable plugins), etc.
• Ensure security systems are up to date and implemented.
• Validate the telemetry from the hosts and security applications are forwarded to the SIEM.
• Configures alerts for privileged activity that would be conducted in the enclave as well as alerts from security advisories.
• Triages all alerts from the SIEM to ensure activity in the environment is authorized.
• Investigates, resolves, and reports security incidents in alignment with the Incident Response Plan.
• Ensures the inventory of hosts and recurring/ad-hoc scan policies are accurate.
• Reviews the scans to confirm correct, actionable data is generated to support the patching activities.
• Reviews STIG results and supports the team in implementing corrective action as applicable.
• Ensures all hosts can be seen in the endpoint security application with ongoing monitoring and applicable policies applied.
• Triages all alerts from the tool to ensure activity in the environment is authorized.
• Ensures deployment of tool and related modules are performing as intended.
• Monitors aggregate user data as directed.
• Designs, develops, tests, and evaluates information system security throughout the systems development life cycle.

Benefits

• 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.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level