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Sr. Principal Cyber Systems Engineer Level 4 with Security Clearance

Indotronix International CorpSan Antonio, TX🇺🇸United StatesPosted 15 Sept 2026

Why This Role Stands Out

As a Sr. Principal Cyber Systems Engineer, you'll drive critical cyber requirements and system compliance within a collaborative team, playing a vital role in high-quality product deliveries. This position is ideal for experienced engineers with a strong background in cybersecurity standards and a talent for architectural design and risk mitigation. Embrace this opportunity to contribute to cutting-edge projects and advance your career in a dynamic environment.

Quick Overview

Seniority
Leader
Work mode
On Site
Location
San Antonio, TX, United States
Posted
Yesterday
AgileJira

Job Description

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, DevSecOps 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 DevSecOps 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 DevSecOps 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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