Overview
On Site
USD 126,100.00 - 227,950.00 per year
Full Time
Skills
Analytics
Security Engineering
Network Operations
Analytical Skill
Modeling
Management
Training
Information System Security
Cyber Security
Communication
Collaboration
Impact Analysis
Information Architecture
Information Assurance
RMF
Risk Management Framework
STE
XACTA
Risk Assessment
Documentation
System Administration
DoDAF
SOA
Change Management
Content Management
Configuration Management
Computer Hardware
Firmware
Design Review
Linux
Microsoft Windows Administration
RF
Signals Intelligence
Data-flow Analysis
Network Administration
System Integration
Evaluation
Information Security
Systems Engineering
Computer Science
Information Systems
Science
Engineering Management
Software Engineering
Regulatory Compliance
DoD
Security Clearance
Market Analysis
Law
Job Details
Leidos has a new and exciting opportunity for a Senior Information Systems Security Officer (ISSO) in our National Security Sector's (NSS) 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, including 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 is eligible for a 15k Sign on Bonus
Position Summary:
The Information System Security Officer (ISSO)/System Engineer is responsible for ensuring the confidentiality, integrity, and availability of information systems. This role involves implementing and maintaining security policies, conducting risk assessments, and ensuring compliance with federal and organizational cybersecurity standards. Our ideal candidate possesses strong knowledge of cybersecurity frameworks, experience with security tools, technologies, and excellent communication skills to collaborate across technical and non-technical teams.
Primary Responsibilities:
Qualifications:
conmd
NSSPF
Come break things (in a good way). Then build them smarter.
We're the tech company everyone calls when things get weird. We don't wear capes (they're a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for "how it's always been done."
Original Posting:
October 14, 2025
For 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.
Pay Range:
Pay Range $126,100.00 - $227,950.00
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.
At Leidos, we offer competitive benefits, including 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 is eligible for a 15k Sign on Bonus
Position Summary:
The Information System Security Officer (ISSO)/System Engineer is responsible for ensuring the confidentiality, integrity, and availability of information systems. This role involves implementing and maintaining security policies, conducting risk assessments, and ensuring compliance with federal and organizational cybersecurity standards. Our ideal candidate possesses strong knowledge of cybersecurity frameworks, experience with security tools, technologies, and excellent communication skills to collaborate across technical and non-technical teams.
Primary Responsibilities:
- Supports IA programs through RMF, NISCAP, STE/STN, LATTEART, BISCOTTI, and XACTA compliance; manages SSPs, risk assessments, and C&A documentation to ensure secure system operations.
- Leads full lifecycle engineering from requirements derivation to design, integration, verification, and sustainment; ensures alignment with DoDAF and SOA architectures and maintains system baseline integrity.
- Prepares and reviews SSPs, SRTMs, and C&A packages; evaluates security solutions and manages configuration changes to maintain operational security posture.
- Oversees CM for security software, hardware, and firmware; assesses security impact of system changes and coordinates cross-discipline resolutions via CCBs and design reviews.
- Experienced in Linux/Windows system administration, RF system configuration, FORNSAT, Tactical SIGINT, and data flow analysis within collection environments.
- Skilled in network administration and coordinating system integration across multiple teams to ensure complete interface coverage and technical cohesion.
- Conducts quantitative assessments in reliability, survivability, and vulnerability; defines verification methods and evaluation criteria to ensure system effectiveness and mission readiness.
Qualifications:
- Fourteen (14) years' of Information Security experience supporting programs and contracts of similar scope, type and complexity is required.
- Bachelor's degree in Systems Engineering (SE), Computer Science, Information Systems, Engineering Science, Engineering Management, or related discipline from an accredited college or university is required. Five (5) years of additional SE experience may be substituted for a bachelor's degree.
- Compliance with DoD 8570.01-M with a minimum certification of IAM Level I is required.
- Security Clearance requirement: Must possess active TS/SCI with polygraph clearance
conmd
NSSPF
Come break things (in a good way). Then build them smarter.
We're the tech company everyone calls when things get weird. We don't wear capes (they're a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for "how it's always been done."
Original Posting:
October 14, 2025
For 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.
Pay Range:
Pay Range $126,100.00 - $227,950.00
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.
Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.