Information Systems Security Officer

Leidos Inc; Columbia (MD); On-site; USD 87,000 - 157,000; Full time

Benefits offered by this job

Competitive benefits

Flexible scheduling

401K with company match

Paid time off + holidays

Job summary

Leidos in Columbia, MD is seeking an Information System Security Officer (ISSO) to support the Intelligence Sector’s Cyber & Analytics Business Area. The role focuses on maintaining security controls, monitoring compliance, and ensuring systems meet security policies and regulatory requirements.

The ideal candidate has strong communication, analytical, organizational, and problem-solving skills, with DoD 8570 IAM certifications and TS/SCI with Polygraph clearance preferred.

Qualifications

• Bachelor's degree is highly desired; in lieu, case-by-case consideration with additional experience.
• Minimum of four (4) years of relevant information system security experience.
• Proficiency in Microsoft Office applications (Word, Excel, Outlook).
• Ability to adapt quickly to changing priorities and manage multiple tasks.
• Understanding of RMF, NIST, CNSS cyber security requirements and guidance.

Responsibilities

• Assist the Information System Security Manager with information assurance efforts across environments.
• Support continuous monitoring activities including vulnerability management and remediation verification.
• Maintain and update security authorization documentation (SSPs, security control narratives, diagrams, CM plans, IRPs, CPs, risk assessments, SSA/C&A packages, and SRTMs).
• Collaborate with System Owner, System Administrators, ISSE, and stakeholders to address security concerns and maintain compliance.
• Perform security compliance and vulnerability assessment using Nessus, Splunk, and SCAP tools to identify vulnerabilities and track remediation.
• Support incident response and reporting; participate in investigations, containment actions, and post-incident lessons learned.

Skills

Communication skills

Analytical skills

Organizational skills

Problem-solving

Team collaboration

Education

Bachelor's degree desired

High school diploma or equivalent

Tools

Nessus

Splunk

SCAP

eMass

Job description

Description

Leidos currently has an opening for an Information System Security Officer to work in our Columbia, MD office supporting our Intelligence Sector's Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management.

At Leidos, we offer competitive benefits Leidos Pay and Benefits, including 4 or more weeks Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security!

This position requires an individual who can work independently and collaboratively in a team-oriented environment. The ISSO will support daily security operations, monitor system compliance, maintain security controls, and ensure information systems meet established security policies and regulatory requirements. We are seeking a motivated, detail-oriented Information System Security Officer (ISSO) to join our cybersecurity team. The ideal candidate will have prior experience in information systems security, system administration, or a related technical field, along with strong communication, analytical, organizational, and problem-solving skills.

Primary Responsibilities:

• Assist the Information System Security Manager (ISSM) with information assurance efforts, and systems across numerous environments.
• Support continuous monitoring activities, including vulnerability management, configuration compliance, patch coordination, security scan analysis, and verification of remediation efforts.

• Maintain and update security authorization documentation, including System Security Plans, (SSPs), security control narratives, network diagrams, inherited controls, Configuration Management (CM) Plans, Incident Response Plan (IRPs), Contingency Plan (CPs), Risk Assessment Reports, Certification and Accreditation (C&A) packages, and System Requirements Traceability Matrices (SRTMs).
• Collaborate with System Owner, System Administrators, Information System Security Engineer (ISSE), and other stakeholders to address security concerns, resolve vulnerabilities, maintain system compliance, and support cybersecurity requirements.
• Perform security compliance and vulnerability assessment using tools such as Nessus, Splunk, and Security Content Automation Protocol (SCAP) scanning tools to identify vulnerabilities, assess system compliance, and track remediation efforts.

• Support incident response and reporting participate in investigations, coordinate containment actions, preserve evidence, and contribute to post-incident lessons learned.

Basic Qualifications:

• Bachelor's degree is highly desired. In lieu of bachelor's degree Leidos will consider candidates on a case by case basis and additional experience will be required.High school diploma or equivalent required.
• Minimum of four (4) years of relevant experience in information system security, cybersecurity, system administration, or a related technical field.
• Proficiency in Microsoft Office applications, particularly Word, Excel, and Outlook, for documentation, reporting, and tracking security-related activities.
• Ability to adapt quickly to changing priorities, respond effectively to unexpected changes, and manage multiple tasks in a fast-past environment.
• Understanding of Risk Management Framework (RMF), National Institute of Standards and Technology (NIST) and Committee on National Security Systems (CNSS) cyber security requirements and guidance, cyber security related risk management techniques.
• Certifications & Compliance: DoD 8570 compliance with IAM Level I, IAM Level II, or IAT Level III (Security+, SecurityX, CISM, CISSP, or Associate).

* Clearance Requirement: Must hold an active TS/SCI with Polygraph

Preferred Qualifications:

• Previous experience in system administration, including system configuration, maintenance, troubleshooting, and security support, is a plus.
• Experience using the Enterprise Mission Assurance Support Service Support Service (eMass) to support Risk Management Framework (RMF) activities, security authorization documentation, and compliance tracking.
• Experience with NIST Risk Management Framework (RMF), NIST SP 800-53 security controls, and maintaining security authorizations documentation.
• Familiarity with DISA Security Technical Implementation Guides (STIGs), vulnerability management, and Plan of Action and Milestones (POA&M) tracking and remediation.

• Current DoD 8140.03 compliance with IAT Level I or higher (e.g., Security+, CASP, CISM or CISSP).
• Vulnerability assessment and analysis experience utilizing SCAP, NESSUS and DISA STIGs.

Work Environment:

This position requires on-site work five days per week at the Columbia, MD location, with established core business hours from 09:00 a.m. to 3:00 p.m. Local travel between company facilities and customer sites is required to support operational and cybersecurity activities as needed.

conmd

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.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

Pay and Benefits

Pay Range $87,100.00 - $157,450.00

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.

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.