Software Engineer

Coreone

Sterling, VA permanent

Posted: March 4, 2026

Required Skills

Job Description

Core One is seeking a Software Engineer to assist in designing, developing, and delivering high-quality web and mobile applications. This role requires collaboration with cross-functional teams to architect, build, and continuously improve robust, scalable, and secure systems. The ideal candidate demonstrates expertise in modern development frameworks and tools, and brings a proactive approach to enhancing system performance, availability, and scalability.

Responsibilities:

• Build and maintain web-based applications to facilitate operational infrastructure needs.

• Design and develop software tools to automate processes in security, network administration, and field IT operations.

• Assist with network administration and field IT setup and support for active site operations.

• Collaborate with engineering and IT teams to understand requirements and implement effective, scalable solutions.

• Troubleshoot and optimize applications for performance, reliability, and security.

• Document software development processes, code changes, and troubleshooting techniques for organizational knowledge sharing.

• Implement version control practices to manage and track code changes effectively.

• Stay current with emerging software development trends, tools, and technologies relevant to system and network administration.

Qualifications:

• Bachelor’s degree in Computer Science or related field OR 10+ additional years relevant experience in lieu of education.

• 5+ years relevant software development experience.

• Experience with API development; RESTful, JSON-RPC, etc.

• Proficient with Linux and shell scripting.

• Experience working with relational and non-relational databases.

• Broad experience designing, programming, and implementing large information systems.

Desired Qualifications:

• Bachelor’s degree in Computer Science, Information Systems, or related field.

• Advanced AWS certifications such as AWS Solutions Architect – Associate or AWS DevOps Engineer – Professional.

• Experience with air-gapped, isolated, or closed network environments in secure settings.

• Proficiency in additional programming languages or frameworks relevant to network or systems administration.

Key Competencies:

• Strong problem-solving and troubleshooting skills

• Expertise in web development and network automation

• Excellent collaboration and communication skills

• Ability to adapt to dynamic environments and evolving technical requirements

Location/Travel:

• This position requires a minimum of three days in person at our Sterling, VA office.

About Core One
Our mission is to be at the forefront of devising analytical, operational and technical solutions to our Nation's most complex national security challenges. In order to achieve our mission, Core One values people first and is comprised of outstanding professionals from the national security community. Because Core One is committed to seeking top talent, we offer competitive compensation and benefits packages. In addition, Core One is a team-oriented, dynamic and growing company that values exceptional performance.

Core One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender identity, sexual orientation, national origin, or protected veteran status and will not be discriminated against on the basis of disability.

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