Leidos
Senior Information Systems Security Engineer 15k Sign on Bonus!
Leidos, Columbia, Maryland, United States, 21046
Job Summary
Are you ready to take on a mission‑critical role supporting complex programs for the Warfighter? This is an exciting opportunity to contribute to national security efforts with lasting impact. As a
Senior Information Systems Security Engineer , you’ll help shape secure systems and architectures that protect sensitive data across multiple environments at Leidos.
Primary Responsibilities
Duties may include Systems Engineering fundamentals such as requirement development, baseline architecture design, condition simulations and analysis, supporting process development and improvement initiatives.
Participate as the primary security engineering representative on teams designing, developing, implementing, and integrating secure networking, computing, and enclave systems.
Conduct technical security assessments to identify vulnerabilities, ensure compliance with IA regulations, and recommend mitigation strategies.
Apply knowledge of IA policies and RMF processes to support security planning, risk analysis, and authorization activities.
Support the enforcement of trusted relationships across external systems and architectures, ensuring consistent application of agency security policies.
Develop and validate system security requirements, contributing to secure system design and implementation across multiple enclaves and classification levels.
Review certification and accreditation (C&A) documentation for completeness and compliance, providing expert feedback to stakeholders.
Recommend system‑level security solutions and contribute to the development of enterprise‑wide security architectures.
Basic Qualifications
14+ years of Information Security experience with a Bachelors Degree in Computer Science, Information Assurance, or related field
OR
18+ years of directly related information security experience without a degree.
Demonstrated ability to participate in cross‑functional planning, coordination, and task execution situations involving the full spectrum of system integration activities.
Ability to work well with people from many different disciplines with varying degrees of technical experience.
Familiarity with Cloud and Edge Computing, Networks, Data Management, Systems Engineering, and C4ISR systems integration.
DoD 8570 compliance with IAM Level I or IAT Level II (i.e., CAP, or Security + CE).
Clearance Requirement: Top Secret/SCI with Polygraph.
Preferred Qualifications
Experience with AWS environments and cloud security integration.
Pay & Benefits Competitive benefits include 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, and parental paid. This position is eligible for a $15,000 sign‑on bonus.
Pay Range $148,850.00 – $269,075.00
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 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.
Equal Opportunity 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.
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Senior Information Systems Security Engineer , you’ll help shape secure systems and architectures that protect sensitive data across multiple environments at Leidos.
Primary Responsibilities
Duties may include Systems Engineering fundamentals such as requirement development, baseline architecture design, condition simulations and analysis, supporting process development and improvement initiatives.
Participate as the primary security engineering representative on teams designing, developing, implementing, and integrating secure networking, computing, and enclave systems.
Conduct technical security assessments to identify vulnerabilities, ensure compliance with IA regulations, and recommend mitigation strategies.
Apply knowledge of IA policies and RMF processes to support security planning, risk analysis, and authorization activities.
Support the enforcement of trusted relationships across external systems and architectures, ensuring consistent application of agency security policies.
Develop and validate system security requirements, contributing to secure system design and implementation across multiple enclaves and classification levels.
Review certification and accreditation (C&A) documentation for completeness and compliance, providing expert feedback to stakeholders.
Recommend system‑level security solutions and contribute to the development of enterprise‑wide security architectures.
Basic Qualifications
14+ years of Information Security experience with a Bachelors Degree in Computer Science, Information Assurance, or related field
OR
18+ years of directly related information security experience without a degree.
Demonstrated ability to participate in cross‑functional planning, coordination, and task execution situations involving the full spectrum of system integration activities.
Ability to work well with people from many different disciplines with varying degrees of technical experience.
Familiarity with Cloud and Edge Computing, Networks, Data Management, Systems Engineering, and C4ISR systems integration.
DoD 8570 compliance with IAM Level I or IAT Level II (i.e., CAP, or Security + CE).
Clearance Requirement: Top Secret/SCI with Polygraph.
Preferred Qualifications
Experience with AWS environments and cloud security integration.
Pay & Benefits Competitive benefits include 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, and parental paid. This position is eligible for a $15,000 sign‑on bonus.
Pay Range $148,850.00 – $269,075.00
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 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.
Equal Opportunity 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.
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