Senior Cyber Security Analyst

Sterling, Virginia

Leidos
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Are you ready to make a difference?

At Leidos, we offer innovative solutions driven by our diverse and skilled workforce committed to our customers' success. We empower our teams, support our communities, and practice sustainability. Our operations are based on doing what's best for our customers, our people, and our community. The Leidos National Security Sector (NSS) integrates technology-enabled services and mission software capabilities spanning cybersecurity, logistics, security operations, and decision analytics to assist our defense and intelligence clients in combatting evolving global threats.

Your new adventure awaits.

The Multi-domain Solutions Division (MDS) at Leidos is seeking an experienced Senior Cyber Security Analyst to join an exciting new cybersecurity initiative focused on safeguarding government-critical systems. You will contribute to a program involving the development, integration, delivery, and maintenance of IT managed security services, facilitating the monitoring of cybersecurity threats and enhancing the security posture of the organization. This opportunity is anticipated based on future contract awards.

Key Responsibilities:
  • Safeguard critical systems, data, and networks from sophisticated cyber threats.
  • Lead threat detection, incident response, and risk mitigation initiatives while mentoring junior analysts and shaping cybersecurity strategies.
  • Collaborate with cross-functional teams to implement best practices, ensure compliance, and bolster the organization's security posture.
  • Serve as a mentor and technical resource for junior and mid-level analysts, advising on threat analysis and incident response.
  • Oversee security operations center (SOC) teams or incident response initiatives, ensuring effective coordination and communication across all stakeholders.
  • Conduct thorough analyses of advanced persistent threats (APTs), zero-day vulnerabilities, and nation-state actors, delivering actionable insights to leadership.
  • Design and refine threat hunting methodologies to proactively identify and counter potential attacks.
  • Manage the comprehensive lifecycle of incident response for high-severity security incidents, including containment, eradication, recovery, and post-incident review.
  • Lead forensic investigations to determine the root cause of incidents, identify indicators of compromise (IOCs), and evaluate broader system impacts.
  • Develop and maintain cybersecurity policies, playbooks, and incident response procedures compliant with regulatory requirements.
  • Offer strategic recommendations to enhance the organization's cyber resilience and reduce risks.
  • Prioritize & assess vulnerabilities based on potential impact and provide remedial strategies to stakeholders.
  • Coordinate with system architects and engineers to evaluate risks associated with new projects and technologies.
  • Act as the primary contact between the organization and external threat intelligence sources, law enforcement, and government agencies.
  • Incorporate threat intelligence into the organization's monitoring and response processes to ensure proactive defenses.
  • Ensure compliance with regulatory frameworks such as RMF, NIST SP 800-53, and FISMA for audits and system accreditations.
  • Compile detailed reports and presentations for executive leadership summarizing security events, metrics, and trends.
  • Assess and recommend new security tools to enhance detection and response capabilities.
  • Create custom scripts or tools using Python and PowerShell to automate threat detection and incident response processes.
  • Collaborate with system architects, DevSecOps teams, and software developers to integrate security requirements within system designs and software pipelines.
Qualifications:
  • Must possess an Active Top Secret/SCI (TS/SCI) with Polygraph security clearance. U.S. Citizenship is required.
  • A Master's degree with 15 to 20 years of relevant experience, or equivalent experience considered in lieu of a degree.
  • Certification as a Certified Information Systems Security Professional (CISSP) or equivalent preferred.
Preferred Skills:
  • Knowledge of network protocols, operating systems, and cybersecurity threats, including malware and ransomware.
  • Experience with scripting or automation tools, such as Python and PowerShell.
  • Familiarity with cybersecurity tools like SIEM (Splunk, ArcSight), vulnerability management platforms (Tenable, Qualys), and IAM systems.
  • Experience with secure software development and DevSecOps practices is a plus.
Original Posting Date: March 28, 2025

Please note, this position is subject to change based on business needs. Leidos anticipates that this job opening will remain active for at least 3 days from the posting date.

Pay Range: $148,850.00 - $269,075.00. The offered compensation will consider various factors, including job responsibilities, education, experience, market alignment, and internal equity.

Date Posted: 02 April 2025
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