Continuous Monitoring Analyst

Leidos Holding$57K — $104K *
Aerospace & Defense
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in IT or related field (preferred) with 4+ years of cybersecurity experience, or equivalent work experience.
  • Active DoD Top Secret security clearance with SCI eligibility required.
  • Current DoD 8570 IAM II or IAT II certification.
  • Strong proficiency with Splunk, including dashboard creation and management.
  • Familiarity with RMF, NIST SP 800-37, NIST SP 800-53, and CNSSI 1253.
  • Knowledge of security architecture, system hardening, and intrusion detection/prevention.
  • Exceptional written and verbal communication skills for technical material presentation.

Responsibilities

  • Analyze system changes for security impacts and control effectiveness.
  • Leverage security tools like Axonius and Splunk for monitoring and validation.
  • Develop and maintain the DISA RE5 ConMon Strategy and SOP.
  • Conduct continuous assessments of security controls and provide status reports.
  • Create dashboards integrating mission application metrics and operational data.
  • Set up alerts for detecting threats and anomalous activities.
  • Ensure implementation of ConMon-related controls in RMF packages.

Benefits

  • Comprehensive health insurance including medical, dental, and vision.
  • 401(k) retirement savings plan with company matching.
  • Flexible work arrangements and paid time off policies.
  • Tuition reimbursement for continued education and professional development.
  • Opportunities for career advancement within a leading defense contractor.
Full Job Description

Leidos is seeking a ConMon Analyst to be responsible for overseeing and monitoring authorized IT systems (re-authorization and new systems) throughout their lifecycle for security posture impact. This position is based out of Alexandria, VA and is primarily on-site.

An active Top Secret security clearance (With SCI eligibility) is required prior to start and this role will be based onsite in the Alexandria, VA area.

Primary Responsibilities:

  • Analyze proposed or actual system changes to determine security impact, and assess security controls and their effectiveness.
  • Utilize Axonius, Splunk, Assured Compliance Assessment Solution (ACAS), Microsoft Defender, and Host Based Security System (HBSS)/ESS to assess, validate, and monitor enterprise and system-level security controls in order to support on-going authorization.
  • Develop and maintain the DISA RE5 ConMon Strategy and Standard Operating Procedures (SOP), outlining required activities and artifacts that include the oversight and monitoring of IT systems throughout their lifecycle.
  • Conduct continuous assessments of security controls, perform automated/manual security control monitoring of information systems, and provide IS / Security Control Status Reports based on live data from security monitoring tools.
  • Design efficient and reusable reports and dashboards to integrate multiple mission applications’ health, performance, and operational data systems.
  • Create alerts that trigger on anomalous activities, threat detections, or configured settings to deploy notifications to particulate destination emails or groups.
  • Ensure ConMon-related controls are properly implemented in RMF packages within eMASS and ensure ongoing assessments comply with industry auditor standards to monitor security, vulnerabilities, and threats.
  • Maintain and expand upon the ConMon Dashboard, tracking compliance, POA&M status, CMRS visibility, asset management, FISMA reviews, and annual validations.
  • Coordinate with System, ACAS, and HBSS/ESS Administrators to resolve credentialing and data issues.
  • Provide real-time security status metrics based on the ConMon Strategy and SOP, and alert leadership of security posture changes with negative impact.

Basic Qualifications:

  • Bachelor's degree (IT-related field preferred) and 4+ years of prior relevant experience in a cybersecurity or network security position. Additional relevant experience may be considered in lieu of a degree.
  • Active DoD Top Secret security clearance with SCI eligibility is required prior to start.
  • Current DoD 8570 IAM II or IAT II certification.
  • High-level understanding of Splunk with proven experience building and managing Splunk dashboards (Splunk Power User certification isnotrequired).
  • Understanding of the RMF process, NIST SP 800-37, NIST SP 800-53, and CNSSI 1253.
  • Understanding of security architecture, system hardening, Vulnerability Management Programs (VMP), and intrusion detection/prevention.
  • Excellent written, oral communication, and presentation skills; able to appropriately present highly technical material to both technical and non-technical audiences.

Preferred Qualifications:

  • Prior experience as a network intrusion analyst or Security Operations Center (SOC) analyst.
  • Experience configuring and maintaining security tools in a multi-tenant environment.
  • Experience with one or more of the following security tools:
    • MDE
    • ACAS
    • HBSS / ESS
    • Elastic
    • Axonius


Original Posting:
August 27, 2026

Pay Range:
Pay Range $57,850.00 - $104,575.00

The Leidos pay range for this job level is a general guideline onlyand 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.

About Leidos Holding

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Joining Leidos Holding presents an unparalleled opportunity to advance one's career with a leader in innovation and technology. The company offers a plethora of job opportunities aimed at fostering professional growth and development in a diverse and inclusive environment.

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Leidos Holding is actively seeking skilled professionals who are passionate about leveraging their expertise to drive innovation and leadership in their fields. With a variety of open positions, Leidos Holding provides a platform for individuals to challenge themselves in a dynamic work environment.

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At Leidos Holding, innovation is at the core of everything they do. Employees are encouraged to think creatively and push boundaries. The company supports this drive for innovation through comprehensive professional development and diversity training programs that are designed to enhance skills and foster leadership.

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Leidos Holding is committed to creating a workplace where diversity is not only recognized but celebrated. With a culture that values and promotes diversity, Leidos Holding ensures that all team members have the opportunity to contribute, learn, and grow.

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