Senior Software Engineer & Tech Lead — Mission-Critical Gov Tech

The One 23 Group

Herndon (VA)

On-site

USD 140,000 - 180,000

Full time

8 days ago

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Job summary

The One 23 Group in the United States is seeking a Senior Software Engineer & Tech Lead to guide multidisciplinary teams delivering Digital Engineering, Modeling & Simulation, and AI-enabled capabilities for federal customers. You will collaborate with program managers, government customers, and executives to ensure secure, scalable solutions that meet mission needs.

The role emphasizes mentoring engineers, promoting quality and innovation, and shaping technical strategy across cloud

Qualifications

8+ years of experience leading technical teams supporting DoD, IC, DHS, or Federal Civilian customers.
Experience delivering enterprise software, Digital Engineering, Modeling & Simulation, DevSecOps, cloud modernization, systems engineering, or AI-enabled solutions.
Strong understanding of Agile software development methodologies and systems engineering principles.
Experience engaging directly with government customers and executive stakeholders.
Bachelor's degree in Engineering, Computer Science, Information Systems, or a related technical discipline.

Responsibilities

Provide technical leadership across multidisciplinary engineering teams supporting Digital Engineering, Modeling & Simulation, software development, cloud engineering, DevSecOps, cybersecurity, data analytics, and AI-enabled capabilities.
Mentor technical staff and foster a collaborative, high-performing engineering culture focused on quality, innovation, and mission success.
Guide technical decision-making and ensure engineering solutions align with customer objectives, security requirements, and industry best practices.
Promote engineering standards, documentation, configuration management, and continuous process improvement
Partner with Program Managers to successfully execute complex federal technology programs.
Provide technical oversight throughout the project lifecycle, including planning, architecture, implementation, testing, deployment, and operational support.
Translate customer requirements into practical, scalable technical solutions.
Identify technical risks and develop mitigation strategies to ensure successful program delivery.
Coordinate technical activities across internal teams, subcontractors, and customer stakeholders.
Solution Architecture & Engineering
Support the design and implementation of secure, scalable enterprise solutions leveraging cloud-native architectures, APIs, automation, and modern engineering practices.
Guide the integration of Modeling & Simulation, Digital Engineering, AI-enabled analytics, and visualization technologies into customer solutions.
Evaluate emerging technologies and recommend innovative approaches that improve mission effectiveness.
Ensure solutions align with cybersecurity, Zero Trust, and federal compliance requirements.