Senior Software Engineer with Security Clearance

ThinkTek; Quantico (VA); On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Paid time off

Other paid leave

Job summary

ThinkTek LLC is seeking a highly motivated Senior Software Engineer to support software architecture, systems integration, and technical analysis for federal government programs. The role emphasizes design reviews, performance analysis, and cybersecurity considerations across enterprise and simulation environments.

You will decompose requirements, evaluate GOTS and COTS solutions, review vendor code, and collaborate with cyber teams to improve security posture.

Qualifications

• Active Secret Clearance required.
• 8+ years of software engineering, architecture, or systems engineering leadership.
• Bachelor’s degree in a technical field; Master’s preferred.
• Experience with DoD or Federal government programs.
• Familiarity with Model-Based Systems Engineering (MBSE) tools.

Responsibilities

• Architect and analyze software architectures for scalable, secure systems.
• Review and assess code quality and vendor-provided code.
• Evaluate GOTS and COTS solutions against requirements.
• Analyze performance, reliability, and security; collaborate with cyber teams.
• Integrate data exchange between distributed systems and APIs.
• Document analyses, decompositions, tests, and remediation recommendations.

Skills

Software architecture

Systems design

Code reviews

Python

Java

C++

JavaScript

DevSecOps

SDLC

MBSE

Education

Bachelor's degree in Computer Science

Master's degree preferred

Tools

APIs

Middleware

AWS

Azure

Kubernetes

Docker

Git

Job description

Who We Are:ThinkTek LLC is a fast-growing Certified SBA 8(a) and Service-Disabled Veteran-Owned Small Business (SDVOSB) company. We specialize in providing management and technology consulting services to support the business and technology modernization efforts of the Federal Government. ThinkTek was formed with the specific purpose of providing its clients a tailored solution around Program & Project Management, Strategic Planning, Systems Engineering, and IT Operations.

Position Description:ThinkTek is seeking a highly motivatedSenior Software Engineer to support software architecture, engineering, and technical analysis support to assist the program in evaluating, designing, integrating, and improving software solutions. The role requires expertise in software architecture, systems integration, code review, performance analysis, and cybersecurity considerations for modern enterprise and simulation environments.

Key Responsibilities:

• Architecture Review and Analysis
• Provide software architecture and engineering subject matter expertise.
• Review and analyze high-level architecture designs to ensure scalability, maintainability, and alignment with requirements. Requirements Decomposition
• Decompose high-level program requirements into detailed technical specifications.
• Evaluate potential GOTS and COTS solutions against program requirements. Code Review and Quality Assurance
• Review code developed by external vendors to ensure compliance with technical requirements and coding standards.
• Technology Evaluation
• Test and evaluate proof-of-concept applications and emerging technologies.
• Provide recommendations on technical feasibility and system integration.
• Performance and Security Assessment
• Analyze application performance, reliability, and security posture.
• Collaborate with cybersecurity teams to provide improvement recommendations.
• Integration and Interoperability Analysis
• Review and assess architecture and design plans for integrating COTS/GOTS systems, APIs, middleware, communication protocols, and AI tools to ensure seamless data exchange and interoperability across simulations, software applications, and display systems.
• Troubleshooting and Issue Resolution
• Investigate complex technical issues, system bugs, and operational anomalies.
• Provide recommendations for remediation.
• Data Exchange Architecture
• Develop or recommend centralized methods for data transfer between software systems.
• Incorporate end-user feedback and program requirements into data architecture solutions.
• Documentation and Reporting
• Document all:
• Technical analyses
• Requirement decompositions
• Code reviews
• Testing results
• Troubleshooting findings
• Provide clear reports and recommendations to leadership.
• Required:
• Skills & Competencies:
• Strong expertise in software architecture, systems design, and technical analysis for complex software environments.
• Proficiency in modern programming languages (e.g., Python, Java, C++, JavaScript) with experience performing code reviews and quality assessments.
• Experience with system integration, including APIs, middleware, messaging frameworks, and communication protocols.
• Experience analyzing application performance, scalability, reliability, and security, and collaborating with cybersecurity teams on mitigation strategies.
• Experience designing or supporting data exchange architectures, including secure data transfer between distributed systems.
• Familiarity with software development lifecycle (SDLC), DevSecOps practices, and multi-vendor development environments.
• Clearance:
• Minimum Active Secret Clearance
• Education & Experience:
• Education: Bachelor's degree (in Computer Science, Software Engineering, Systems Engineering, Information Technology, or related technical discipline). Master's degree in a related field is preferred.
• Experience: 8+ years of experience in leading software engineering, software architecture, or systems engineering projects. Desired:
• Experience with DoD or Federal Government software programs.
• Familiarity with Model-Based Systems Engineering (MBSE) tools.
• Knowledge of simulation environments or distributed simulation architectures.
• Experience working with cloud environments (AWS, Azure, or government cloud platforms).
• Familiarity with containerization and microservices architectures.
• Knowledge of AI/ML integration into operational systems.

ThinkTek LLC is proud to be an Equal Opportunity Employer (EOE), making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class.

• ThinkTek offers medical, dental, and vision insurance to all full-time employees; PTO and a variety of other paid leave options are also available.
• You can read more about ThinkTek benefits athttps://www.thinktekllc.com/careers/.