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Sr. Principal Cyber Systems Engineer Level 4 Security Clearance

Job in San Antonio, Bexar County, Texas, 78202, USA
Listing for: Indotronix International Corp
Full Time position
Listed on 2026-08-25
Job specializations:
  • Engineering
    Cybersecurity, Systems Engineer
  • IT/Tech
    Cybersecurity, Systems Engineer
Job Description & How to Apply Below
Position: Sr. Principal Cyber Systems Engineer Level 4 with Security Clearance
Indotronix is seeking an :
Onsite Job:
Sr. Principal Cyber Systems Engineer Level 4

Work Location:

San Antonio Texas

Work Schedule:

5x8 (M-F) BS + 8 / MS + 6 / PhD + 4 / lieu of a degree + 14 Active Secret clearance is required Essential Duties
* Work within the Systems Engineering Group to provide technical decisions and guidance to enable timely, high quality product deliveries and flight test events that meet mission Cyber requirements
* Partner and collaborate with other program systems engineers across Integrated Product Teams to accomplish program cyber requirements and meet mission objectives
* Ensure weapon system compliance with all contractually obligated cybersecurity standards and guidance, including but not limited to CNSSI 1253, DoD 8570, DoD 8510, and AFI 17-101
* Propose and design cyber systems architecture changes with traceability to requirements
* Provide cyber implementation guidance and oversight across technical teams
* Develop and document technical standard engineering processes and procedures as needed
* Participate in engineering reviews of technical requirements, design and implementation plans prior to development of computer systems, digital communications systems, networking devices, computer architectures
* Perform cyber-attack surface analysis of system designs with recommendations to mitigate and reduce risk
* Participate in cybersecurity assessment activities and review cybersecurity assessment methods, plans, procedures, reports and security penetration test planning and execution.
* Provide input to program milestones and metrics, adhering to cybersecurity-relevant plans and schedules
* Identify problems and research technical solutions to resolve these problems
* Apply analytical and evaluative methods and techniques to issues or studies concerning the efficiency and effectiveness of Cyber Security implementation
* Solve complex problems across disciplines in an Agile, Dev Sec Ops  environment
* Support program engineering review boards Basic Qualifications
* Bachelor's degree with 8 years, Master's degree with 6 years, or a PhD with 4 years of experience in:
Systems Engineering, Cybersecurity Engineering, Computer Engineering, Computer Science, or 14 years' experience in a cyber systems engineering related fields in lieu of a degree.
* A current active Secret clearance is required to be considered
* The ability to obtain and maintain a Top-Secret clearance.
* Able to obtain, within six months of hire, an IASAE II certification (CISSP preferred) in accordance with DoDI 8570/8140
* Comprehension of systems engineering principles, theories and concepts.
* Experience applying Model Based Systems Engineering to develop and model requirements
* Experience managing requirements or systems engineering artifacts using tools such as DOORS, Cameo, or JIRA.
* Direct experience in one or more of the following Systems Engineering activities: system requirements decomposition/derivation/flow down/traceability, architecture, high-level/detail design, implementation, integration and test, and/or verification & validation.

Preferred Qualifications
* Able to work semi independently with general direction from senior leadership
* IASAE level III certified (ISSEP, ISSAP) in accordance with DoDI 8570/8140
* Top Secret/SCI Security Clearance
* Software Assurance experience.
* Expertise with Model-Based System Engineering (MBSE) and related tools such as Cameo
* Expertise with Requirement Management tools such as IBM DOORs.
* Knowledge of Cyber Security systems engineering practices, network technologies, DoD system development life cycles and methodologies, and insight into information technology infrastructure management/monitoring and applications
* Expertise with containerized software systems in accordance with DoD Dev Sec Ops  Reference Design
* Experience innovating in Cybersecurity Accreditation processes and procedures in a multi-certification (Cyber, Nuclear Surety, etc.) context as part of a Digital Engineering Environment
* Experience authoring and maintaining critical program authorization documents such as Cybersecurity Strategies, System Security Plans, Continuous Monitoring Plans, Security Assessment Plans.
* Experience in a Systems Engineering role with responsibilities in the planning, designing, implementation, testing, and delivery of a system with Cyber/Information Assurance requirements
* Excellent communication (written and oral), negotiation, coordination, and interpersonal skills
* Proven collaboration with program managers and customer representatives to meet program objectives
* Experience managing and directing efforts following an Agile and Dev Sec Ops  process model
* Proven success by analyzing, estimating, and implementing solutions to complex problems spanning multiple engineering disciplines
* Ability to calmly negotiate challenging program requirements, strategies, and conflicting constraints among a large and diverse group of program stakeholders.
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