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73 System One Senior Systems Software Engineer Jobs Hiring Near You

Experis

Senior Systems Software Engineer

Redmond, WA

$60 - $62/hr

Analyze system requirements, document specifications, and develop tailored software solutions to ... one of the World's Most Ethical Companies for the 14th year - all confirming our position as the ...

Peraton

Senior Systems/Software Engineer

Virginia, IL · On-site

$120 - $150/hr

System Safety/Software assurance experience. * US Government acquisition management experience ... Peraton is seeking a Senior Systems / Software Engineer to join our team of qualified, diverse ...

Saronic Technologies Inc.

$120 - $180/hr

We are seeking a Senior Systems Software Engineer to design, implement, and optimize software ... Person": (1) U.S. citizens, (2) legal permanent residents (a.k.a. green card holders), and (3) ...

Jobtailor

Senior Systems/Software Engineer

California, MO · On-site

$120 - $160/hr

Bachelor's or Master's degree in Computer Science, Information Systems, or related field. * Typically, 6+ years of experience in software development and testing. * Strong proficiency in Python and ...

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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 makes System One an attractive place to work?

System One is a leading provider of workforce solutions and staffing services, known for its expertise in delivering high-quality talent to various industries. The company's workplace is characterized by a culture of innovation, collaboration, and flexibility, offering employees opportunities to work on diverse projects and develop their skills in a dynamic environment. By joining System One, professionals can expect to contribute to the growth and success of a forward-thinking organization, with opportunities for career advancement and professional development in a rapidly evolving industry.

What other companies are hiring for Senior Systems Software Engineer jobs?

What are the most popular jobs at System One?

What are the most popular categories at System One?

Infographic showing various Senior Systems Software Engineer job openings at System One in the United States as of August 2026, with employment types broken down into 1% As Needed, 23% Full Time, 1% Temporary, and 75% Contract. Highlights an 74% Physical, and 26% Remote job distribution.

Senior Systems Software Engineer

Experis

Redmond, WA

$60 - $62/hr

Contractor

Re-posted 14 days ago

Job description

Our client, a leading technology organization specializing in networking and security solutions, is seeking a Senior Systems Software Engineer to join their team. As a Senior Systems Software Engineer, you will be part of the Software Engineering Department supporting network protocols and system software development. The ideal candidate will have strong problem-solving skills, excellent communication abilities, and a proactive mindset, which will align successfully in the organization.

Job Title: Senior Systems Software Engineer
Location:Redmond, WA
Duration: 18 month contract

Pay Range:$60-$62/hour

What's the Job?

  • Design, develop, implement, test, and maintain complex system and application software related to networking protocols and security features.
  • Analyze system requirements, document specifications, and develop tailored software solutions to meet client needs.
  • Perform troubleshooting, debugging, and issue resolution for legacy and new software systems using advanced tools and techniques.
  • Develop and enhance automated test suites to improve validation coverage and reliability across multiple projects.
  • Collaborate with cross-functional teams to support network security technologies such as VPN, IPSec, and Software-Defined Networking (SDN).

What's Needed?

  • Minimum of 5 years of experience in systems and OS-level engineering, with proficiency in C and C++ programming.
  • Strong knowledge of Windows OS and Linux environments, including debugging tools like Windows Debugger, Wireshark, gdb, and tcpdump.
  • Hands-on experience with networking protocols such as IPSec, TCP, and QUIC, and familiarity with VPN and SDN technologies.
  • Proficiency with scripting and automation tools such as PowerShell and YAML files.
  • Excellent troubleshooting skills with the ability to analyze complex system-level issues and implement effective solutions.

What's in it for me?

  • Opportunity to develop deep expertise in Windows Networking stack and system software development.
  • Work in a collaborative environment with cutting-edge networking and security technologies.
  • Onsite work location in Redmond, WA, with flexible work hours to accommodate time zone differences.
  • Engage in meaningful projects that impact global networking solutions.
  • Be part of a diverse and inclusive team committed to innovation and professional growth.

If this is a role that interests you and you'd like to learn more, click apply now and a recruiter will be in touch with you to discuss this great opportunity. We look forward to speaking with you!

About ManpowerGroup, Parent Company of: Manpower, Experis, Talent Solutions, and Jefferson Wells.

ManpowerGroup (NYSE: MAN), the leading global workforce solutions company, helps organizations transform in a fast-changing world of work by sourcing, assessing, developing, and managing the talent that enables them to win. We develop innovative solutions for hundreds of thousands of organizations every year, providing them with skilled talent while finding meaningful, sustainable employment for millions of people across a wide range of industries and skills. Our expert family of brands - Manpower, Experis, Talent Solutions, and Jefferson Wells -creates substantial value for candidates and clients across more than 75 countries and territories and has done so for over 70 years. We are recognized consistently for our diversity - as a best place to work for Women, Inclusion, Equality and Disability and in 2023 ManpowerGroup was named one of the World's Most Ethical Companies for the 14th year - all confirming our position as the brand of choice for in-demand talent.

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