Senior Software Engineer

Posted:
9/18/2025, 2:43:10 AM

Location(s):
Virginia, United States ⋅ Chantilly, Virginia, United States

Experience Level(s):
Senior

Field(s):
DevOps & Infrastructure ⋅ Software Engineering

At Two Six Technologies, we build, deploy, and implement innovative products that solve the world’s most complex challenges today. Through unrivaled collaboration and unwavering trust, we push the boundaries of what’s possible to empower our team and support our customers in building a safer global future.

Senior Software Engineer

Two Six Technologies is currently seeking a Senior Software Engineer with Active TS/SCI with Polygraph to support our customer's mission-essential applications within an Agile Team. The software developer will be responsible for the development, deployment, and support of Python web-based applications hosted on cloud computing platforms.

Location: Chantilly, VA

What you will do:

Develop, test, and deploy new code and efficient software solutions
Participate in code reviews and ensure high-quality and reusable code.
Troubleshoot and debug issues in the application, including performance optimization and error handling
Work on a Greenfield project to modernize and reimagine, rather than merely recreate a legacy system.

What you will need (basic qualifications):

Minimum of 9 years of software development experience, or the equivalent combination of education, technical training or work experience.
Strong proficiency in Python.
Minimum 3 year of experience developing on Linux operating systems.

Nice If You Have:

Developed software that leveraged AWS services, such as S3, SNS, SQS, RDS, OpenSearch, etc.
Written and deployed AWS Lambda functions
Understanding of AWS networking and security groups
Working knowledge of CI/CD toolchains
Experience with Docker, Kubernetes, ECR

Clearance Requirement:
• Active TS/SCI with Polygraph

#LI-JB1

Two Six Technologies is committed to providing competitive and comprehensive compensation packages that reflect the value we place on our employees and their contributions. We believe in rewarding skills, experience, and performance. Our offerings include but are not limited to, medical, dental, and vision insurance, life and disability insurance, retirement benefits, paid leave, tuition assistance and professional development.

The projected salary range listed for this position is annualized. This is a general guideline and not a guarantee of salary. Salary is one component of our total compensation package and the specific salary offered is determined by various factors, including, but not limited to education, experience, knowledge, skills, geographic location, as well as contract specific affordability and organizational requirements.

Salary Range

$200,000—$240,000 USD

Looking for other great opportunities? Check out Two Six Technologies Opportunities for all our Company’s current openings!

Ready to make the first move towards growing your career? If so, check out the Two Six Technologies Candidate Journey! This will give you step-by-step directions on applying, what to expect during the application process, information about our rich benefits and perks along with our most frequently asked questions. If you are undecided and would like to learn more about us and how we are contributing to essential missions, check out our Two Six Technologies News page! We share information about the tech world around us and how we are making an impact! Still have questions, no worries! You can reach us at Contact Two Six Technologies. We are happy to connect and cover the information needed to assist you in reaching your next career milestone.

Two Six Technologies is an Equal Opportunity Employer and does not discriminate in employment opportunities or practices based on race (including traits historically associated with race, such as hair texture, hair type and protective hair styles (e.g., braids, twists, locs and twists)), color, religion, national origin, sex (including pregnancy, childbirth or related medical conditions and lactation), sexual orientation, gender identity or expression, age (40 and over), marital status, disability, genetic information, and protected veteran status or any other characteristic protected by applicable federal, state, or local law.

If you are an individual with a disability and would like to request reasonable workplace accommodation for any part of our employment process, please send an email to [email protected]. Information provided will be kept confidential and used only to the extent required to provide needed reasonable accommodations.

Additionally, please be advised that this business uses E-Verify in its hiring practices.

By submitting the following application, I hereby certify that to the best of my knowledge, the information provided is true and accurate.

Two Six Technologies

Website: https://twosixtech.com/

Headquarter Location: Arlington, Virginia, United States

Employee Count: 501-1000

Year Founded: 2017

IPO Status: Private

Last Funding Type: Venture - Series Unknown

Industries: Cyber Security ⋅ Information Technology ⋅ Network Security

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