The fundamental distinction of the OST team is its business knowledge in both the public and private sectors. We serve the aerospace & transportation, association & nonprofit, defense, education, energy, financial, healthcare, and technology & telecommunications industries. OST is successful because we listen to our clients, we learn from our clients, and we know our clients.

Job Duties (Description of specific duties in a typical workday for this position:

The Senior Application Developer performs programming, testing, debugging, troubleshooting, documentation, and support for IT projects on large mainframes, super-mini, mini, and/or micro-computers and systems. The application developer demonstrates experience in the full range of programming functions in at least one programming language, one database management system other than MS Access, and at least one operating system. Work may involve the use of database management software and/or general purpose commercial application software in the development of application programs. Programming tasks may involve at least one of the following technical areas: digital information communications and interchange applications; graphic user interface (GUI) tools; database management systems; web-based intranet/internet applications; client/server applications; multiple network/operating systems; and integration of custom code with COTS code. The application developer should be conversant with and able to apply Federal standards and other guidelines related to the development of secure systems and Section 508 compliant systems.

Requirements (Years of experience, Education, Certifications):

• Master's degree and a minimum of nine years of experience involving software development, typically with client/server or web-based applications. Experience must include a minimum of three years of successful demonstration of skills in one of the above technical areas; or


• Bachelor's degree and a minimum of eleven years of experience involving software development, typically with client/server or web-based applications. Experience must include a minimum of five years of successful demonstration of skills in one of the above technical areas; a minimum of fifteen years of experience involving software development, typically with client/server or web-based applications. Experience must include a minimum of eight years of successful demonstration of skills in one of the above technical areas.


• Must be US Citizen


• Ability to obtain Minimum Background Investigation security clearance

Senior-level application developers will demonstrate responsibility for successfully executing project programming tasks independently with no required technical supervision. Senior staff may guide Mid-Level and Junior staff on assigned work.

Nice to Have: (skills that are not required, but nice to have)

• Federal government program experience (probably more have to than nice to have)


• DoT experience (highly desired)


• Transportation industry experience

To be considered for this position, please apply online with a cover letter and MS Word resume.

OST is an equal opportunity employer. Applicants are considered for positions without regard to race, religion, gender, native origin, age, disability, or any other category protected by applicable federal, state, or local laws.