Information Systems Security Manager

Leidos is seeking a Sr. Information Systems Security Manager (ISSE) to join a high-impact, multi-agency program serving the United States Space Force (USSF) / Space Systems Command (SSC), the United States Air Force (USAF), and other critical mission stakeholders. The selected individual will play key role in enhancing, testing, and deploying a large-scale Satellite Communications (SATCOM) system to an existing infrastructure. The ideal candidate brings deep expertise in public key infrastructure (PKI) and key management, excels at complex problem solving, and has a strong record of delivering results as part of a high-performing team in a fast-paced Agile Development environment. This position offers a unique opportunity to enhance the resilience and cybersecurity of mission-critical communications that protect our nation., * Validating and verifying system security requirements and establishing/reviewing system security designs for large-scale systems, major system elements, and interfacing systems that are part of a large complex network environment with geographically distributed components.

• Identifying and implementing appropriate information security architectures and functionality to ensure uniform application of security policy and enterprise solutions.
• Recommending and contributing to the development of technical solutions, products, and standards based on current and desired system security architecture.
• Assisting with the evaluation and mitigation of system security threats and risks throughout the program life cycle.
• Contributing to the security planning, assessment, risk analysis, risk management, certification and awareness activities for various system and networking operations.
• Effectively collaborating with other internal technical experts on a day-to-day basis.
• Communicating with program POCs regarding Security issues.
• Participating in program increment planning and related agile team activities.
• Working closely with System Engineering, Test Engineering, and Integration teams to ensure that the hardware and software architecture and implementation meet the security requirements for processing classified information.
• Analyzing and assessing system implementation against multiple security compliance policies and recommending and implementing enhancements.
• Assisting with the evaluation of new development on the operational security posture of the system.
• Evaluating, reviewing, and testing security-critical software and implementing and enforcing information systems security policies, standards, and methodologies.
• Auditing system security configuration settings using common methodologies and tools.
• Enforcing security strategies and policies that affect various components of the geographically distributed systems.
• Assisting with the evaluation of security solutions to ensure they meet customer specified requirements for processing classified information.
• Providing configuration management for security-relevant information system software.
• Evaluating security compliance requirements for new system features.
• Identifying and remediating security issues throughout the system.
• Supporting risk assessment, risk management, security control assessment, continuous monitoring, service design, and other IA program support functions.
• Working with development teams to enrich team-wide understanding of different types of vulnerabilities, attack vectors and remediation approaches.
• Planning and conducting security verification testing of relevant type 1 devices., 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. Related Jobs Lead Dayporter CBRE Washington, DCOn-Site Operations Cleanliness Housekeeping Customer Service Furniture Cleaning Loading And Unloading Equipment Engineering +0 Palantir AIP Engineer Guidehouse Arlington, VAHybrid Loans AI Agents Automation Governance Communication Access Controls Data Governance Data Engineering Security Governance Business Development Request For Proposal Artificial Intelligence Ethical Standards And Conduct +0

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Nessus Writing Planning Auditing Equities Scripting Wireshark Management Purchasing Resilience Mitigation Upskilling Encryption IT Security Market Data Cryptography Communication Risk Analysis Cyber Security Prioritization Key Management Service Design Security Tools Risk Management Authentications Access Controls Ancient History Computer Science Security Systems Test Engineering Defense In Depth Complex Networks Security Controls Agile Methodology Security Policies Incident Response Software Security Hardware Security Analytical Method Security Solutions Penetration Testing Security Strategies Systems Engineering Operations Security Enterprise Security Time Off Management Security Engineering Signals Intelligence System Implementation Information Assurance Continuous Monitoring Software Architecture Security Configuration Complex Problem Solving Configuration Management Satellite Communications IT Security Architecture Communications Protocols Authorization (Computing) Public Key Infrastructure Computer Network Operations Information Systems Security Security Requirements Analysis Management Information Systems Certified Information Systems Security Professional Information Systems Security Engineering Professional, * Bachelor's degree in Computer Science, Information Assurance, Information Security System Engineering, or related discipline and at least 12 years of relevant experience. Master's degree and at least 10 years of relevant experience. Additional experience may be substituted for a Degree.

• Must have experience applying Risk Management Framework.

• Must have experience with IT security policy.

• Must have experience with common security tools, such as Nessus, NMAP and Wireshark hardware/software security implementation, communication protocol, encryption techniques/tools, and web services.

• Must have experience with or familiarity with secure configurations of commonly used desktop and server operating systems.

• Must be comfortable working on multiple systems and components simultaneously in various configurations.

• Must have strong verbal and written communications skills.

• Must be committed to adopting and adhering to best practices.

• Must be able to effectively plan and prioritize tasking and communicate clearly regarding technical options and trade-offs.

• Must be capable of performing high quality work both independently and with a team in a fast-moving environment.

• Clearance Required: Must have an active or current TS/SCI with Polygraph., * Experience with Defense in Depth Principals/technology (including access control, authorization, identification and authentication, public key infrastructure, network and enterprise security architecture) and applying risk assessment methodology to system development.

• Experience with security services management processes (i.e. assessing and auditing network penetration testing, anti-virus planning assistance, risk analysis, and incident response).

• Experience providing information assurance support for application development.

• Experience with penetration testing tools.

• Experience with scripting languages.

• DoD 8570 compliance with IASAE Level 2 or 3.

• Information Systems Security Engineering Professional (ISSEP) Certification and/or Computer Information Systems Security Professional (CISSP) Certification.

• Experience working with or in military Satellite Communications (SATCOM) organizations such as United States Air Force (USAF), United States Space Force (USSF), or another Agency.

• Experience working with Public Key Infrastructure (PKI)/ key management programs and technologies., Microsoft Excel Rent Collection Customer Service Microsoft Office Microsoft Outlook Accounting Software General Mathematics Property Management Organizational Skills Intellectual Curiosity

Leidos has a new and exciting opportunity for a Sr. Information Systems Security Manager (ISSE) in our Intel 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, 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!, 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 .

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., 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 .