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61 System One Senior Software Engineer Jobs Hiring Near You

PlanIT Group

Senior Software Engineer

Washington, DC · Remote

$138K - $182K/yr

... System - Indexed files). Have demonstrated software development expertise and experience with ... One year plus annual extensions We are seeking a Senior Software Engineer to join our team of ...

ProKatchers

Senior Software Engineer

West Bradford, PA · On-site

$102K - $135K/yr

Senior Software Engineer Location : Downingtown, PA 19335 Duration : 12 Months Shift Details : 100 ... Implement reactive frontend features and real-time system updates. * Collaborate with AI ...

ProKatchers

Senior Software Engineer

Downingtown, PA

$127K - $167K/yr

Senior Software Engineer Location : Downingtown, PA 19335 Duration : 12 Months Shift Details : 100 ... Implement reactive frontend features and real-time system updates. Collaborate with AI engineering ...

Source Code

RQ11140 - Sr. Software Developer

Toronto, ON

CA$87.38 - CA$104.86/hr

The Justice Technology Services - Digital Design Branch requires one (1) senior Software Developer with 8+ years of experience for building a modern digital information system and its integration ...

Source Code

RQ11139 - Sr. Software Developer

Toronto, ON

CA$87.38 - CA$104.86/hr

The Justice Technology Services - Digital Design Branch requires one (1) senior Software Developer with 8+ years of experience for building a modern digital information system and its integration ...

Software Technology Inc

Sr. Software Engineer

Dearborn, MI · On-site

$112K - $148K/yr

Senior Software Engineer, On-Device As a Software Engineer, you'll join an established venture team ... * 1+ years of experience in C++ development * Proven understanding of Linux operating systems ...

anduril

Senior Software Engineer

Boston, MA · On-site

$133K - $175K/yr

Senior Software Engineer Boston, Massachusetts, United States Anduril Industries is a defense ... one or more domains and/or technologies of expertise * Systems and/or application programming ...

Trident Systems

Senior Software Engineer

Littleton, CO · On-site +1

$86K - $160K/yr

No Salary Range: $86,000 - $160,000 Trident Optical Precision Systems (OPS) is a leader in highly ... S. Government Security Clearance or the ability to obtain one. Preferred Qualifications

ECCLESIASTES INC

Sr. Software Engineer

Newark, DE · On-site

$120K - $159K/yr

POSITION TITLE: Sr. Software Engineer POSITION DUTIES ... Analyze business user needs, design, develop and implement software applications and systems using ...

HCL Global Systems

Senior Software Engineer

Westlake, TX

$117K - $155K/yr

We are currently sourcing for a Senior Software Engineer to work in Westlake, TX! Position summary ... This role focuses on hands-on development, system reliability, performance, and maintainability.

STRAC

Senior Software Engineer

Bellevue, WA

$138K - $182K/yr

Senior Software Engineer We are seeking a highly skilled Senior Software Engineer with a strong ... systems Minimum Qualifications * Deep proficiency in JavaScript, Node.js, Python, or Java * Strong ...

OneStream Software

Senior Software Engineer I

Rochester, MI · Remote

$112K - $148K/yr

Description Senior Software Engineer Location: Remote, USA Employment Type: Full-Time Benefits ... Proactively identify opportunities to improve system performance, reliability, and developer ...

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System One Jobs Information

What is it like to work at System One?

System One is a professional services company that values collaboration, innovation, and a client-centric approach, fostering a dynamic and supportive work environment.

The company's team structure is designed to facilitate knowledge sharing and expertise exchange, with a flat organizational hierarchy that encourages open communication and cross-functional collaboration. System One's mission is to deliver high-quality solutions to its clients through a network of experienced professionals and cutting-edge technologies.

Working at System One may appeal to candidates who are looking for a challenging and rewarding career in a fast-paced, client-driven industry, with opportunities for professional growth and development in a collaborative and dynamic work environment.
What other companies are hiring for Senior Software Engineer jobs?
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Infographic showing various Senior Software Engineer job openings at System One in the United States as of June 2026, with employment types broken down into 1% As Needed, 77% Full Time, 1% Part Time, 20% Contract, and 1% Nights. Highlights an 99% Physical, and 1% Remote job distribution.
Senior Software Engineer

Senior Software Engineer

PlanIT Group

Washington, DC • Remote

$138K - $182K/yr

Other

Posted 29 days ago

Job description

PlanIT Group is seeking a Senior Software Engineer to support our Federal customer in the Washington, DC area. The ideal candidate will be proficient in DCL (Digital Command Language) scripting and RMS (OpenVMS Record Management System – Indexed files). Have demonstrated software development expertise and experience with OpenVMS Macro Assembly for at least 5 years. Have demonstrated software development experience with TCP and UDP protocols and XML and Json message formats. Have experience in full product life cycle.
Job Title:                           Senior Software Engineer
Location:                          Remote anywhere
Start Date:                       07/07/25
Duration:                          One year plus annual extensions
We are seeking a Senior Software Engineer to join our team of qualified, diverse individuals.
Join the team transforming the future of public safety technology. Be a valued member of a professional software development team building and maintaining a suite of software products helping first responders improve efficiency and effectiveness.
Roles and Responsibilities:
• Implement feature enhancements and other changes for a suite of software products marketed to the public safety domain
• Develop solutions primarily using OpenVMS Macro Assembly. Use of other technologies expected
• Collaborate with systems engineers to gain understanding of system requirements
• Implement system requirements to meet user needs
• Assist with the development of estimates for levels of effort for proposed changes
• Apply software engineering best practices to ensure software quality
Basic Qualifications
To be considered for this position, you must minimally meet the knowledge, skills, and abilities listed below:
• Proficient in DCL (Digital Command Language) scripting and RMS (OpenVMS Record Management System – Indexed files)”
• Bachelor's degree in software engineering, computer science, or similar field
• Minimum 8 to 10 years' experience in software engineering
• Demonstrated software development expertise and experience with OpenVMS Macro Assembly for at least 5 years
• Demonstrated software development experience with TCP and UDP protocols and XML and Json message formats
• Experience in full product life cycle
Preferred Qualifications
Candidates with these desired skills will be given preferential consideration:
• Master's degree in software engineering, computer science, or similar field
• Experience in Public Safety Solutions
• Experience with computer aided dispatch systems
• Minimum 8 to 10 years' experience in OpenVMS operating system
• Minimum 8 to 10 years' experience performing software engineering in an Agile environment
Location
Position allows for remote work but working hours are eastern time zone
Some travel will be required to northeast / mid-Atlantic USA
Education/Experience:
• Bachelor's degree in computer science, software engineering or relevant field required.
• 10+ years of experience required.
Additional Provisions:
• Must be able to obtain a Public Trust Clearance
• Pass both a client mandated clearance process to include drug screening, criminal history check and credit check.
• All candidates must be a US Citizen
• Candidate must have lived in the United States for the past 5 years.
• Cannot have more than 6 months travel outside the United States within the last five years. Military Service excluded. (Exception does not include military family members.)
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