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Software Engineer Sme Jobs in Washington (NOW HIRING)

Govcio LLC

Network Engineer SME

Fort George G Meade, MD · On-site

$176K - $196K/yr

GovCIO is currently hiring for Network Engineer SME to design secure data movement paths. This ... Knowledge of cloud platforms, virtualization, routing, automation, and network monitoring software.

Leidos

Systems Engineer SME

Alexandria, VA · On-site

$131K - $237K/yr

As a Systems Engineering SME, you'll serve as the technical authority for systems engineering ... Proficient in Python or C++ software development, automation, and system support. * Experience ...

Leidos

Systems Engineer SME

Reston, VA · On-site

$131K - $237K/yr

As a Systems Engineering SME, you'll serve as the technical authority for systems engineering ... Proficient in Python or C++ software development, automation, and system support. * Experience ...

Leidos

Systems Engineer SME

Chantilly, VA · On-site

$131K - $237K/yr

As a Systems Engineering SME, you'll serve as the technical authority for systems engineering ... Proficient in Python or C++ software development, automation, and system support. * Experience ...

Leidos

Systems Engineer SME

Springfield, VA · On-site

$131K - $237K/yr

As a Systems Engineering SME, you'll serve as the technical authority for systems engineering ... Proficient in Python or C++ software development, automation, and system support. * Experience ...

Leidos

Systems Engineer SME

Sterling, VA · On-site

$131K - $237K/yr

As a Systems Engineering SME, you'll serve as the technical authority for systems engineering ... Proficient in Python or C++ software development, automation, and system support. * Experience ...

Leidos

Systems Engineer SME

Manassas, VA · On-site

$131K - $237K/yr

As a Systems Engineering SME, you'll serve as the technical authority for systems engineering ... Proficient in Python or C++ software development, automation, and system support. * Experience ...

Leidos

Systems Engineer SME

Burke, VA · On-site

$131K - $237K/yr

As a Systems Engineering SME, you'll serve as the technical authority for systems engineering ... Proficient in Python or C++ software development, automation, and system support. * Experience ...

Leidos

Systems Engineer SME

Gaithersburg, MD · On-site

$131K - $237K/yr

As a Systems Engineering SME, you'll serve as the technical authority for systems engineering ... Proficient in Python or C++ software development, automation, and system support. * Experience ...

Leidos

Systems Engineer SME

Herndon, VA · On-site

$131K - $237K/yr

As a Systems Engineering SME, you'll serve as the technical authority for systems engineering ... Proficient in Python or C++ software development, automation, and system support. * Experience ...

Leidos

Systems Engineer SME

Gaithersburg, MD · On-site

As a Systems Engineering SME, you'll serve as the technical authority for systems engineering ... software and testing more effective and reliable and maintain system documentation and make ...

Leidos

Systems Engineer SME

Falls Church, VA · On-site

$131K - $237K/yr

As a Systems Engineering SME, you'll serve as the technical authority for systems engineering ... Proficient in Python or C++ software development, automation, and system support. * Experience ...

Leidos

Systems Engineer SME

Merrifield, VA · On-site

$131K - $237K/yr

As a Systems Engineering SME, you'll serve as the technical authority for systems engineering ... Proficient in Python or C++ software development, automation, and system support. * Experience ...

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Software Engineer Sme information

How does a Software Engineer SME typically collaborate with other teams during a project lifecycle?

As a Software Engineer Subject Matter Expert (SME), you will frequently collaborate with cross-functional teams, including product managers, QA engineers, and UX/UI designers, to ensure technical solutions align with business objectives. Your expertise is often sought during planning phases, technical reviews, and troubleshooting sessions, making strong communication skills essential. Regular meetings, code reviews, and documentation are key aspects of maintaining alignment and ensuring project milestones are met efficiently.

What is a Software Engineer SME?

A Software Engineer SME (Subject Matter Expert) is a professional who combines advanced software engineering skills with in-depth expertise in a specific technology, domain, or process. They provide technical leadership, guidance, and mentorship to teams, ensuring that complex software solutions are designed and implemented effectively. The SME is often consulted for their specialized knowledge in areas such as programming languages, frameworks, architecture, or industry-specific requirements. Their role typically involves resolving critical issues, reviewing code, and ensuring best practices are followed across projects.

What are the key skills and qualifications needed to thrive as a Software Engineer SME?

To thrive as a Software Engineer SME (Subject Matter Expert), you need advanced programming skills, deep understanding of software architecture, and a track record of delivering complex solutions, typically backed by a relevant degree and extensive industry experience. Expertise in tools such as integrated development environments (IDEs), version control systems (like Git), and proficiency in multiple programming languages is essential, along with familiarity with cloud platforms or specialized frameworks. Strong problem-solving abilities, communication skills, and the capacity to mentor others help distinguish top performers in this role. These qualifications are crucial for driving technical excellence, guiding teams, and ensuring successful project outcomes in demanding environments.
What are popular job titles related to Software Engineer Sme jobs in Washington? For Software Engineer Sme jobs in Washington, the most frequently searched job titles are:
What job categories do people searching Software Engineer Sme jobs in Washington look for? The top searched job categories for Software Engineer Sme jobs in Washington are:
What cities in Washington are hiring for Software Engineer Sme jobs? Cities in Washington with the most Software Engineer Sme job openings:
Software Engineer Sme jobs near you
Infographic showing various Software Engineer Sme job openings in Washington as of August 2026, with employment types broken down into 1% Internship, 85% Full Time, 11% Part Time, and 3% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution.

Software Engineer

Ardent Principles, Inc

Chantilly, VA

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 20 days ago

Job description

REQUIRED:  Active TS/SCI with Full Scope Polygraph
LOCATION:  Full-time, onsite in Chantilly, VA
We have an immediate need for a missiondriven Software Engineer who thrives in modern Lean Agile environments and enjoys building highimpact capabilities that blend cloud engineering, scalable search, and LLMpowered workflows.  You must understand cloud environments such as Azure or AWS and will work on designing, developing, and deploying software systems.
Who We Are:
Ardent Principles delivers cuttingedge capabilities across data science, data engineering, software engineering, AI solutions, cybersecurity, staff augmentation, and IT program management. We thrive at the intersection of mission, technology, and innovation.
Passionate Integrity, Driven by Excellence
At Ardent Principles, we don't just offer jobs-we build careers rooted in purpose. Our competitive salary ranges and industryleading benefits are designed to support longterm stability, growth, and overall wellbeing. We're committed to creating an environment where talented people can do their best work and feel valued while doing it.
Join us as we continue building the future of secure, highimpact solutions.
In this challenging yet rewarding role as a Software Engineer (SME level), you are an integral part of what brings our Company's mission to life. You must have the following required skills, certifications and demonstrated experience in and/or with:
  • Working in a Lean Agile development environment
  • Building or integrating LLM-based solutions including RAG, semantic search or AI-assisted retrieval systems
  • Developing detailed design and associated deliveries
  • Translating customer and systems requirements into design
  • Designing system interfaces
  • Developing Single Page Applications using React (modern hooksbased architecture), HTML5, and CSS3. 
  • Handson experience developing RESTful APIs using Node.js and Express (or comparable modern backend frameworks). 
  • Handson experience with and troubleshooting Internet and webrelated protocols and technologies such as Tomcat, Node.js, Web Services, or SSL. 
  • Working with testing platforms such as Jest or Karma. 
  • Handson experience working with DevOps tools such as Git, Jenkins, or Nexus. 
  • Handson experience with Elasticsearch (index design, querying, relevance tuning, and scaling). 
  • Designing or implementing data pipelines to support search and/or RAG workflows (e.g., ingestion, chunking, embeddings, vector search). 
Other skills and demonstrated experiences that are highly desired but not mandatory to perform the work, include:
  • Evaluating, selecting, and integrating LLMs (e.g., OpenAI, opensource models) into enterprise applications
  • Working with vector databases, hybrid search (keyword + semantic), and relevance optimization
  • Ability to lead or mentor teams in adopting search + AI/LLM best practices (strong preference for candidates who can elevate team capability, not just contribute individually) 
  • Highly Competitive Salary: Recognizing and rewarding your expertise and contributions.
  • Generous Paid Time Off: Providing ample time for rest, relaxation, and personal pursuits.
  • Dedicated Training Budget: Supporting continuous learning and professional development.
  • 100% Employer-Covered Family Vision, Dental, and Health Insurance: Ensuring comprehensive health coverage for you and your family.
  • 100% Employer-Covered Life and Disability Insurance: Offering financial security and peace of mind.
  • 401(k) Plan with a 6% Employer Match: Helping you plan and save for a secure retirement, with 100% vesting from day one.
  • 11 Paid Government Holidays: Observing national holidays to ensure time off with family and friends.
  • Spot Bonuses for Exceptional Performance: Rewarding outstanding contributions and achievements.
SCHEDULE:
This is a full-time position with consultants expected to be available and working onsite in Chantilly, VA during core hours.
Ready to take the next step in your career? Join us and be part of a team dedicated to driving positive change through technology. Apply now with our easy 3-minute, mobile-friendly initial application process. Your future starts here!

Apply