623 Software Engineer 3

About ARSIEM Corporation

At ARSIEM Corporation we are committed to fostering a proven and trusted partnership with our government clients. We provide support to multiple agencies across the United States Government. ARSIEM has an experienced workforce of qualified professionals committed to providing the best possible support.

As demand increases, ARSIEM continues to provide reliable and cutting-edge technical solutions at the best value to our clients. That means a career packed with opportunities to grow and the ability to have an impact on every client you work with.

ARSIEM is looking for a Software Engineer 3 to develop, test, and enhance complex, large-scale software systems both independently and collaboratively while resolving issues, employing modern design methodologies, and guiding architectural trade-offs such as COTS/GOTS integration and system requirements synthesis. The position will support one of our government clients in Annapolis Junction, MD.

Responsibilities

• Develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements.
• Works individually or as part of a team.
• Reviews and tests software components for adherence to the design requirements and documents test results.
• Resolves software problem reports.
• Utilizes software development and software design methodologies appropriate to the development environment.
• Provides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Commercial Off-the-shelf (COTS)/Government Off-the-shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components.

Minimum Qualifications

• Java
• Springboot
• Mongo
• Kafka
• Some AWS/ECR Suite familiarity
• RKE
• Twelve (12) years experience as a SWE in programs and contracts of similar scope, type, and complexity is required.
• Bachelors degree in Computer Science or related discipline from an accredited college or university is required. Four (4) years of additional SWE experience on projects with similar software processes may be substituted for a bachelor's degree.

Preferred Qualifications

• Analyze user requirements to derive software design and performance requirements
• Debug existing software and correct defects
• Provide recommendations for improving documentation and software development process standards
• Design and code new software or modify existing software to add new features
• Integrate existing software into new or modified systems or operating environments
• Develop simple data queries for existing or proposed databases or data repositories
• Write or review software and system documentation
• Serve as team lead at the level appropriate to the software development process being used on any particular project
• Design or implement complex database or data repository interfaces/queries
• Develop or implement algorithms to meet or exceed system performance and functional standards
• Assist with developing and executing test procedures for software components
• Develop software solutions by analyzing system performance standards, confer with users or system engineers; analyze systems flow, data usage and work processes; and investigate problem areas
• Modify existing software to correct errors, to adapt to new hardware, or to improve its performance
• Design, develop and modify software systems, using scientific analysis and mathematical models to predict and measure outcome and consequences of design
• Design or implement complex algorithms requiring adherence to strict timing, system resource, or interface constraints
• Perform quality control on team products
• Implement recommendations for improving documentation and software development process standards
• Oversee one or more software development teams and ensure the work is completed in accordance with the constraints of the software development process being used on any particular project
• Confer with system engineers and hardware engineers to derive software requirements and to obtain information on project limitations and capabilities, performance requirements and interfaces
• Coordinate software system installation and monitor equipment functioning to ensure operational specifications are met
• Recommend new technologies and processes for complex software projects
• Serve as the technical lead of multiple software development teams
• Select the software development process in coordination with the customer and system engineering
• Ensure quality control of all developed and modified software
• Delegate programming and testing responsibilities to one or more teams and monitor their performance

Clearance Requirement: This position requires an active TS/SCI with a polygraph. You must be a US Citizen for consideration.

Candidate Referral: Do you know someone who would be GREAT at this role? If you do, ARSIEM has a way for you to earn a bonus through our referral program for persons presenting NEW (not in our resume database) candidates who are successfully placed on one of our projects. The bonus for this position is $10,000, and the referrer is eligible to receive the sum for any applicant we place within 12 months of referral. The bonus is paid after the referred employee reaches 6 months of employment.

ARSIEM is proud to be an Equal Opportunity and Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age, or any other federally protected class.

The ARSIEM pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) job responsibilities, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other laws.

Benefits:

For an overview of our benefits, please visit our benefits tab.

https://www.arsiem.com/careers/

Original Posting Date:

2026-11-04