Senior Cybersecurity Analyst

Are you ready to make a difference?
At Leidos, we provide cutting-edge solutions through our diverse and skilled workforce, committed to our customers' success. We value our teams, support our communities, and prioritize sustainability. Our National Security Sector (NSS) integrates technology-driven services and mission software in cyber operations, logistics, security, and decision analytics to aid our defense and intelligence customers in navigating evolving global threats.
Your most impactful work awaits
The Multi-domain Solutions Division (MDS) within the Leidos National Security Sector is inviting applications for a talented Senior Cybersecurity Analyst. Join us in this critical role supporting government systems by leading efforts in cyber security. You will contribute to the management, integration, and operational support of IT security services, ensuring comprehensive monitoring of cybersecurity threats and maintaining situational awareness for the enterprise. This position is in anticipation of a future contract award.
Key Responsibilities:
Safeguard the organization's vital systems, data, and networks against sophisticated cyber threats.
Lead efforts in threat detection and incident response while mentoring junior analysts and shaping cybersecurity strategies.
Collaborate with various teams to enforce best practices, ensure compliance, and enhance the organization's cybersecurity posture.
Act as a mentor and technical resource for junior and mid-level analysts on threat analysis and incident response best practices.
Oversee Security Operations Center (SOC) teams or incident response processes, facilitating effective communication among stakeholders.
Conduct thorough analysis of advanced persistent threats (APTs), zero-day vulnerabilities, and nation-state actors, providing leadership with actionable intelligence.
Design and implement proactive threat hunting strategies to identify and mitigate potential attacks.
Manage the complete lifecycle of incident responses for significant security incidents, including containment, recovery, and analysis.
Lead forensic investigations to ascertain root causes, identify Indicators of Compromise (IOCs), and evaluate broader system impacts.
Create and execute cybersecurity policies and incident response procedures that align with organizational and regulatory standards.
Offer strategic insights to bolster the organization's cybersecurity stance and reduce risks.
Prioritize vulnerabilities based on their potential impact and recommend remediation strategies.
Work in tandem with system architects and engineers to evaluate risks linked to emerging projects or technologies.
Serve as a liaison with external threat intelligence sources, law enforcement, and government bodies (e.g., FBI, DHS, or DoD).
Incorporate threat intelligence into organizational monitoring and response frameworks for enhanced defenses.
Ensure adherence to compliance frameworks like RMF, NIST SP 800-53, and FISMA during audits and system accreditations.
Create detailed reports and presentations for executive leadership, summarizing security metrics and trends.
Assess and advocate new security tools and technologies to refine detection and response capabilities.
Develop custom scripts or tools (e.g., Python, PowerShell) to streamline threat detection and incident response workflows.
Collaborate with system architects and DevSecOps teams to embed security requirements into system designs and software processes.
What We Need From You:
Active Top Secret/SCI (TS/SCI) with Polygraph security clearance required. Must be a U.S. Citizen.
Master's degree and 15 to 20 years of relevant experience, with experience considered in lieu of degree.
Certified Information Systems Security Professional (CISSP) or equivalent certification.
Preferred Qualifications:
Familiarity with network protocols, operating systems, and cybersecurity threats (e.g., malware, phishing, ransomware).
Experience with scripting or automation tools (e.g., Python, PowerShell).
Proficiency with security tools, including SIEM systems (e.g., Splunk, ArcSight), vulnerability management platforms (e.g., Tenable, Qualys), and IAM systems.
Experience in secure software development and DevSecOps methodologies.
Original Posting:

March 28, 2025
For U.S. Positions: While subject to change based on business needs, Leidos anticipates that this job requisition will remain open for at least 3 days, with the anticipated close date no earlier than 3 days after the original posting date.
Compensation Range:

$148,850.00 - $269,075.00
The Leidos pay range for this level is a guideline and not a guarantee of compensation. Additional factors influencing offers include job responsibilities, education, experience, knowledge, skills, internal equity, market alignment, applicable agreements, and laws.

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