**Job Title: Software Design Engineer 3** **Work Location: Redmond, WA. Onsite – Building 50** **Duration: 5 Months** **Work Schedule: Monday–Friday, 40 hours/week, No Overtime** **Pay Rate Range: $55 to $60/hr** **Key Projects & Responsibilities** + Fine-tune and improve sophisticated software implementation projects + Gather and analyse system requirements and document technical specifications + Design and develop software solutions to meet client and data needs + Analyze and implement system software and customize it to client requirements + Prepare detailed software design and test documentation + Implement new programs or modify existing programs to meet new standards + Author automated tests for developed programs + Perform post-implementation validation and resolve defects identified during testing **Candidate Requirements** **Disqualifiers** + Insufficient proficiency in reading and writing code + Less than 3 years of relevant work experience **Ideal vs. Average Candidate** **Systems & OS-Level Engineering** + Write clean, maintainable systems-level code in C and C++ Work effectively in a Windows OS development environment (strongly preferred) + Independently debug and fix issues in legacy software using instrumentation, traces, and tools such as Windows Debugger + Collect and analyze WPP/ETW traces to diagnose complex system-level issues **Testing, Automation & Pipeline Reliability** + Develop and enhance automated test suites to improve validation coverage and reliability + Troubleshoot, triage, and resolve failures in test pipelines across multiple projects + Modify and enhance test automation across network protocols and network security components + Run periodic manual tests for VPN, IPSec Connection Security tunnels, and Windows Subsystem for Linux (WSL) **Networking & Security** + Analyze and work with networking protocols such as IPSec, TCP, and QUIC + Support VPN technologies, IPSec-based Connection Security, and Software-Defined Networking (SDN) **Qualifications** + Bachelor’s degree in Computer Science, Computer Engineering, or a related technical field + 5–7 years of relevant experience + Strong foundation in computer science (data structures, algorithms, software design) + Experience designing and developing large systems software + Experience troubleshooting and unit testing both new and legacy production systems + Proven ability in programming, problem diagnosis, and issue resolution **Required Technical Skills** + Strong operating systems knowledge with hands-on systems-level programming + **C/C++ systems development experience (required)** + Proficiency with debugging tools: Windows Debugger, Wireshark, gdb, tcpdump + Experience collecting and analyzing WPP/ETW traces + Knowledge of networking protocols: IPSec, TCP, QUIC + Experience with VPN technologies and Software-Defined Networking + Expertise with PowerShell and YAML + Experience working in both Windows and Linux environments **Ideal Candidate Background** + Strong C/C++ systems development experience + Familiarity with networking protocols (IPSec, TCP, QUIC) + Experience with VPN and Software-Defined Networking + Expertise in PowerShell and YAML + Comfortable working in both Windows and Linux OS environments + Skilled with debugging tools such as Windows Debugger, Wireshark, gdb, and tcpdump **Top 3 Must-Have Hard Skills** 1. **C/C++ systems development** – 5 years 2. **Operating systems knowledge (Windows)** – 3 years 3. **Networking protocols (IPSec, VPN technologies, QUIC)** – 2 years 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 2022 ManpowerGroup was named one of the World's Most Ethical Companies for the 13th year - all confirming our position as the brand of choice for in-demand talent. ManpowerGroup is committed to providing equal employment opportunities in a professional, high quality work environment. It is the policy of ManpowerGroup and all of its subsidiaries to recruit, train, promote, transfer, pay and take all employment actions without regard to an employee's race, color, national origin, ancestry, sex, sexual orientation, gender identity, genetic information, religion, age, disability, protected veteran status, or any other basis protected by applicable law.