Senior Software Systems Engineer (L3) jobs in United States
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Power3 Solutions · 4 months ago

Senior Software Systems Engineer (L3)

Power3 Solutions is a mission-driven technology startup focused on national security and innovative solutions. They are seeking a hands-on Senior Software Systems Engineer to support mission-critical programs, driving software-heavy systems from concept to delivery in secure environments while collaborating with technical teams and stakeholders.

Business DevelopmentConsultingDigital MarketingGraphic DesignHuman ResourcesSocial Media MarketingWeb Design
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Responsibilities

Lead or contribute to Integrated Product Teams (IPTs) focused on designing and developing complex software-centric capabilities
Implement Service-Oriented Architecture (SOA) solutions and develop system/service views
Perform Data Engineering of both structured and unstructured datasets
Participate in software design reviews, CCB meetings, and technical milestone events; coordinate cross-discipline resolutions
Develop and maintain interface definitions, control documents, and configuration baselines
Lead or support verification, validation, and test planning to ensure system deliverables meet functional and security requirements
Apply knowledge of Information Assurance (IA) technologies (e.g., authentication, access control, cryptography) to systems designs
Contribute to technical assessments, alternative analysis, and software risk management throughout the development lifecycle
Use modeling, simulation, and prototyping tools to reduce risk, validate system behavior, and improve engineering outcomes
Ensure documentation, systems artifacts, and change control processes are complete, traceable, and aligned with stakeholder needs
Design, develop, and maintain scalable, secure Java-based applications within distributed cloud architectures (AWS, Azure, or GCP)
Serve as a bridge between software implementation and systems-level integration, ensuring functional alignment across services, APIs, and infrastructure
Lead the implementation of AI/ML capabilities in operational pipelines, coordinating with data science and platform teams
Conduct performance analysis and optimization across application tiers and system boundaries
Contribute to CI/CD pipeline design and infrastructure-as-code practices to support automated deployments and monitoring
Collaborate with systems engineers, DevOps, and solution architects to translate system requirements into working software components
Support full SDLC including requirements analysis, system-level documentation, and verification/testing
Provide mentoring and technical guidance to junior developers and systems engineers

Qualification

Java developmentSystems EngineeringService-Oriented ArchitectureAWS certificationAgile developmentDevSecOpsTechnical communicationMentoring

Required

Active TS/SCI with Polygraph
Minimum 20 years of relevant Systems Engineering experience (with a strong emphasis in software-driven environments)
Bachelor's degree in Systems Engineering, Computer Science, Information Systems, or a related field. (An additional 5 years of experience may substitute for a degree)
Proven experience leading full-lifecycle engineering for complex software or hybrid systems
Strong familiarity with SOA, Agile development, and DevSecOps environments
Demonstrated experience supporting C&A efforts, interface design, and software integration
Ability to communicate technical concepts to a range of audiences and work closely with developers and stakeholders

Preferred

AWS certification highly preferred

Benefits

Customizable medical, dental, and vision coverage; Health Savings Account (HSA)
Competitive salaries, 401(k) with up to 12% employer contribution, life and AD&D insurance, short- and long-term disability coverage
Flexible time off and sick/safe leave to support work-life balance
Annual technology reimbursement, training and development allowance, and a profit-sharing bonus program

Company

Power3 Solutions

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Power3 Solutions offers consulting in HR, contract management, proposals, web design, marketing, and compliance training.

Funding

Current Stage
Early Stage

Leadership Team

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Jenny Meetre
CEO & Founder
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Company data provided by crunchbase