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Mid-Level Information Systems Security Manager; ISSE Security Clearance

Job in San Diego, San Diego County, California, 92121, USA
Listing for: Leidos
Full Time position
Listed on 2026-03-14
Job specializations:
  • IT/Tech
    Cybersecurity, Information Security, Systems Engineer, IT Consultant
Job Description & How to Apply Below
Position: Mid-Level Information Systems Security Manager (ISSE) with Security Clearance
R
- Description Mid-Level Information Systems Security Manager (ISSE) Leidos has a new and exciting opportunity for a Mid-Level 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!

Job Summary A Mid-Level Information Systems Security Manager (ISSE) is needed for a critical program providing a broad range of support to operational requirements including Software Engineering, Systems Integration, Systems Administration, Network Engineering, Information Assurance, Cyber Security, Analytics Development, and Rapid Prototyping. Contract Status:
Proposal Phase/Contingent Upon Award. Security Clearance:
Active DoD TS/SCI with Polygraph required. We are not able to sponsor the clearance requirement.

Primary Responsibilities:

* 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.

Basic Qualifications:

* Bachelor’s degree in Computer Science, Information Assurance, Information Security System…
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