We are currently seeking a Vulnerability Analyst to join the Compartmented Enterprise Services Office (CESO) effort. This program is establishing a modern secure web service (SWS) operation as part of a state-of-the-art, highly automated platform capable of supporting a rapidly expanding customer population. Apply today to become part of the Leidos team assisting CESO as it migrates to a high security cloud environment, providing vulnerability management, risk assessment, and compliance services that protect the integrity of the platform throughout its lifecycle.
This position is based in Arlington, VA and is 100% on-site.
Requires a TS/SCI US Government Security Clearance to start.
Primary Responsibilities
- Responsible for meeting both regulatory (Legal and Mandated Requirements) and non-regulatory (Real-World Threat Reduction) compliance demands across the CESO environment.
- Assist in the management and maintenance of the IAVA (Information Assurance Vulnerability Alerts) program for CESO systems.
- Manage and enforce information security policies, and train and educate end-users on proper security practices.
- Conduct security and risk assessments using established frameworks (e.g., NIST, RMF, Common Criteria), mitigating risk via security controls and testing and evaluation to certify and accredit commercial security products used within the CESO platform.
- Develop, update, organize, maintain, and track RMF documentation using information obtained from the customer.
- Ensure privacy of data throughout its lifecycle; perform vulnerability management (scanning, assessment, reporting, and mitigation verification), business continuity, and disaster recovery activities.
- Coordinate with infrastructure, storage, database, and application teams to align vulnerability management activities with CESO's operational and compliance requirements.
- Maintain documentation, operational procedures, and compliance reports supporting CESO's secure cloud migration.
- Responsible for a combination of duties to protect information and maintain security controls across the CESO system, site, or program in order to reduce risk.
Basic Qualifications
- Bachelor's degree and 2+ years of related IT security experience; additional experience, education, or training may be considered in lieu of degree.
- Active TS/SCI security clearance required
- DoDD 8140 compliant certification, at minimum IAT Level II (e.g., Security+ CE), at start.
- Experience with the Defense Information Systems Agency (DISA) security model, controls, and authorization processes for standard computing systems and cloud computing across the Department of Defense
- Experience conducting activities associated with Information Assurance Vulnerability Alerts (IAVA) for example, Cybersecurity and Infrastructure Security Agency (CISA).
- Experience with creating Information Assurance documentation such as Security Control Traceability Metrics (SCTM), Risk Assessment Report (RAR), Security Assessment Report (SAR) and maintaining POA&Ms (Plans of Action and Milestones).
- Experience with ACAS and SEIM tools.
- Experience with application and hardware security settings for vendor and/or DISA best business practices.
- Candidate may be asked to obtain a CI Polygraph in the future.
Preferred Qualifications
- Prior experience with DISA and DISA's support to mission partners.
- TS/SCI with CI Polygraph preferred.
- Experience with ACAS, SPLUNK, ACT (cybersecurity event), IAVA reporting, and eMASS.
- Familiarity with vulnerability management across enterprise applications and infrastructure (e.g., Oracle, SQL Server, Exchange, virtualization platforms, Windows, Red Hat).
- Understanding of disaster recovery and business continuity concepts as they apply to secure cloud migrations.
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:September 22, 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 and 2+ years of related IT security experience; equivalent additional experience, education, or training may substitute for the degree.
- Active TS/SCI US Government security clearance at the start of employment.
- DoDD 8140-compliant certification at minimum IAT Level II, such as Security+ CE, at start.
- Experience with DISA security models, controls, and authorization processes for standard and cloud computing systems across the Department of Defense.
- Experience conducting Information Assurance Vulnerability Alert activities.
- Experience creating Information Assurance documentation, including SCTMs, RARs, SARs, and POA&Ms.
- Experience with ACAS and SIEM tools.
- Experience applying application and hardware security settings according to vendor or DISA best practices.
- Prior experience with DISA and its support to mission partners.
- TS/SCI with CI Polygraph.
- Experience with ACAS, Splunk, ACT, IAVA reporting, and eMASS.
- Familiarity with vulnerability management across enterprise applications and infrastructure, including Oracle, SQL Server, Exchange, virtualization platforms, Windows, and Red Hat.
- Understanding of disaster recovery and business continuity concepts for secure cloud migrations.
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.
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