Cyber Vulnerability Analyst
Location: Suitland, MD
Clearance: Active TS/SCI
Leidos is seeking a Cyber Vulnerability Analyst to join a mission focused team supporting the Navy's cybersecurity environment in Suitland, MD.
In this role, you will serve on the front line of cyber defense, helping protect critical TS/SCI networks by monitoring and investigating cybersecurity alerts, identifying potential threats, and supporting proactive threat hunting activities. You will apply your experience in the Certified Network Defender (CND) discipline and knowledge of IT systems and networks to analyze security events, manage incident tickets, support intelligence gathering and analysis, and communicate findings to key stakeholders.
Primary Responsibilities
- Perform continuous monitoring of DISA and NAVSEA cybersecurity tools and conduct initial analysis of software updates for TS/SCI networks, including JWICS, ATLAS, and other networks for which HGCC is responsible.
- Investigate and perform initial technical analysis of cybersecurity vulnerabilities and events, escalating potential incidents to Tier 2 as appropriate.
- Conduct RMF NIST SP 800-53 risk assessments of ATO packages for authorization or reauthorization.
- Create, update, and manage incident and event tickets within the approved ticketing system.
- Conduct proactive threat hunting activities to identify potential malicious activity and emerging threats.
- Perform wireless ACAS vulnerability scans of enterprise assets and document and report findings.
- Correlate discovered vulnerabilities and security events across multiple platforms to identify patterns, trends, and potential threats.
- Prepare and deliver operational and situational awareness briefings.
- Support annual enterprise STIG compliance cyber defense exercises.
Required Qualifications
- Bachelor's degree in Cybersecurity, Information Technology, Information Assurance, or a related area of study desired, with 4+ years of experience or a Master’s degree with 2+ years of experience. Additional experience may be considered in lieu of a degree.
- Active TS/SCI security clearance in DISS and ability to obtain special program access.
- Experience with Vulnerability Management tool Assured Compliance Assessment Solution (ACAS).
- Experience with Governance, Risk, and Compliance (GRC) tool Enterprise Mission Assurance Support Service (eMASS).
- Experience in the CND discipline.
- Professional experience monitoring and investigating alerts from cybersecurity tools.
- Experience with Security Information and Event Management (SIEM) systems such as Splunk and Elastic.
- Experience with Network Intrusion Detection/Prevention Systems (NIDPS), such as Cisco FirePower and Palo Alto NGFW, as well as host based tools such as Trellix ePO, Microsoft Defender, and Tanium.
- Knowledge of scripting and coding languages such as Python, Perl, Ruby, JavaScript, PowerShell, C, C++, and Java.
- Knowledge of penetration testing and red team tactics, techniques, and procedures, as well as tools such as Kali, SamuraiWTF, Nmap, Burp Suite, sqlmap, and Metasploit.
- Knowledge of ticketing systems, report writing, and intelligence gathering, analysis, and dissemination techniques specific to cybersecurity.
- Strong analytical, conceptual, and problem solving skills.
Required Certifications
- Must possess one of the following active certifications: CompTIA Security+, CompTIA CySA+, CompTIA PenTest+, CompTIA Cloud+, CEH, FITSP-O, GIAC GMON, GIAC GRID, GIAC GCIA, GIAC GCIH, GIAC GICSP, GIAC GCED, GIAC GDSA, GIAC GSEC, CFR, or Cisco CyberOps.
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If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.
Original Posting:November 11, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
Skills Required
- Bachelor’s degree in Cybersecurity, Information Technology, Information Assurance, or a related field with 4+ years of experience; alternatively, a master’s degree with 2+ years of experience. Additional experience may substitute for education.
- Active TS/SCI security clearance in DISS and ability to obtain special program access.
- Experience with the Assured Compliance Assessment Solution (ACAS) vulnerability management tool.
- Experience with the Enterprise Mission Assurance Support Service (eMASS) GRC tool.
- Experience in the Certified Network Defender (CND) discipline.
- Professional experience monitoring and investigating cybersecurity-tool alerts.
- Experience with SIEM systems such as Splunk and Elastic.
- Experience with NIDPS tools such as Cisco FirePower and Palo Alto NGFW, plus host-based tools such as Trellix ePO, Microsoft Defender, and Tanium.
- Knowledge of scripting and coding languages including Python, Perl, Ruby, JavaScript, PowerShell, C, C++, and Java.
- Knowledge of penetration testing, red-team tactics, techniques, procedures, and tools including Kali, SamuraiWTF, Nmap, Burp Suite, sqlmap, and Metasploit.
- Knowledge of cybersecurity ticketing systems, report writing, and intelligence gathering, analysis, and dissemination.
- Strong analytical, conceptual, and problem-solving skills.
- One active certification: CompTIA Security+, CySA+, PenTest+, Cloud+, CEH, FITSP-O, GIAC GMON, GRID, GCIA, GCIH, GICSP, GCED, GDSA, GSEC, CFR, or Cisco CyberOps.
Leidos Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Leidos and has not been reviewed or approved by Leidos.
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Healthcare Strength — Healthcare coverage is described as comprehensive, with multiple plan options, low office-visit copays in some plans, and access to mental health and wellness support tools. The availability of HSA/FSA options and employer contributions is positioned as a meaningful part of the total package.
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Retirement Support — Retirement benefits are framed as a strong component of total rewards, highlighted by a 401(k) match and immediate vesting in the standard package. The Employee Stock Purchase Plan is also presented as an additional long-term wealth-building feature.
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Wellbeing & Lifestyle Benefits — Wellbeing and lifestyle supports extend beyond core insurance, including wellness programs, fitness-related stipends, and assistance resources. Work flexibility and related perks are also included as part of the broader rewards experience.
Leidos Insights
What We Do
We Are Leidos For 50 years we have been tackling some of the biggest problems that face our nation and our world. OUR MISSION Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020. Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the newly launched Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos. Your most important work is ahead.
