Wireless Protocols Software Engineer Location: Florham Park United States Job Description: Job Title: Wireless Protocols Software Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Continental US CACI's Wireless Solutions division is looking for a new team member with experience in digital signal processing and physical layer algorithms who is passionate about building the next generation of software-defined protocol processing frameworks and applications. Our team of approximately 20 engineers comprises a mix of digital signal processing experts, large-scale application developers, and wireless protocol experts who work together to create some of the most highly optimized, software-based, platform-independent protocol processing engines in the world. Our solutions, refined and advanced over two decades of development, allow for a mix of deployment options, ranging from low-power embedded SBCs to multi-core computing clusters with FPGA and GPU capabilities. The ideal candidate for this position will have some previous experience in implementing digital signal processing (DSP) and physical layer (PHY) algorithms into real world applications. Multiple vacancies are posted for this position across various junior, mid-level, and expert levels of experience. This is an on-site position with hybrid work arrangements considered at any of the referenced locations. More About the Role: - Define, design, implement, and test components of wireless protocol stacks, ranging from physical layer (PHY) algorithms to layer 2/layer 3 procedures - Contribute to systems-level engineering discussions that reconcile the various use cases for our software in pursuit of best-in-class solutions - Work with customers (both internal and external to CACI) to help integrate our solutions into a wide variety of applications and use cases - Debug, test, and validate our capabilities using both unit tests as well as scenarios reported by our end users - Travel to other CACI locations and/or customer sites in the US as necessary (travel requirement is typically 0 - 15%) What You Can Bring to Our Team: - A drive to continuously improve and refine existing capabilities alongside new development opportunities. - Ability to work with a distributed team and manage your time effectively across multiple, simultaneous projects. - A strong understanding of modern C++ programming. We consider C++11 to be the minimum but love to use C++17/20 features where appropriate. - Knowledge of wireless physical layer algorithms and their implementations, or an ability to learn and understand existing implementations. - Code profiling experience, ability to identify critical code paths, and offer performance optimizations based on analysis over multiple scenarios. - Experience using wireless test equipment in lab environments, including test setup design. You'll Bring These Qualifications: - A bachelor's degree (or higher) in Computer Science or Electrical Engineering or equivalent technical degree or an additional 4+ years of experience in lieu of degree. - 2-4 years of related experience in an industry environment. - Experience with Signal Processing or DSP. - Experience writing software for Linux-based operating systems - C/C++ programming experience (or proven ability in an alternate object-oriented language) shown through project work or code examples. - Demonstrated ability to read and understand technical specifications, and create software-based implementations of the procedures and methods described therein - Excellent communication and interpersonal skills - Previous experience with wireless protocols (e.g., 3GPP cellular protocols, IEEE wireless standards, and/or ITU/ETSI-defined mobile radio standards). - What You Can Expect: A culture of integrity. At CACI, we place character and innovation at the center of everything we do. As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose - to ensure the safety of our nation. An environment of trust. CACI values the unique contributions that every employee brings to our company and our customers - every day. You'll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality. A focus on continuous growth. Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground - in your career and in our legacy. Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. Since this position can be worked in more than one location, the range shown is the national average for the position. The proposed salary range for this position is: $69,100-$141,500 CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.

• Plan, execute and oversee all programming activities on a study, including resource estimation, working within budget, meeting timelines, maximizing quality, interaction with other departments • Oversee SDTM, ADaM and TLF development, perform Senior Review of outputs • Liaise with other Sponsor departments for additional programming needs • Support/oversee submission activities (especially in late phase team) • Ensure all activities are conducted efficiently • Mentor less-experienced team members in best practices around SDTMs, ADaMs and TFLs

Title: Staff Software Engineer - Web Foundations Location: Seattle, Washington, United States Hybrid Job Description: StubHub is on a mission to redefine the live event experience on a global scale. Whether someone is looking to attend their first event or their hundredth, we’re here to delight them all the way from the moment they start looking for a ticket until they step through the gate. The same goes for our sellers. From fans selling a single ticket to the promoters of a worldwide stadium tour, we want StubHub to be the safest, most convenient way to offer a ticket to the millions of fans who browse our platform around the world. StubHub is seeking a Staff Software Engineer to join our Web Foundations team within Consumer App Foundations (CAF). This team builds and evolves the shared web platform that powers StubHub’s consumer experiences across web and mobile, serving millions of fans during some of the highest traffic moments in live events. As a Staff Engineer on Web Foundations, you will operate as a technical leader and force multiplier, owning critical platform strategy, shaping architecture across teams, and driving engineering excellence end to end. You will work across frontend and backend systems to design foundational capabilities, influence multiple roadmaps, and elevate how product teams build, ship, and scale. This is a deeply hands-on role for engineers who thrive on solving complex, ambiguous problems, setting technical direction, and building systems that other engineers depend on every day. Location: Hybrid (3 days in office/2 days remote) – Seattle, WA About the team: Consumer App Foundations (CAF) operates horizontally to provide shared infrastructure, tooling, and standards that power all consumer-facing teams. The Web Foundations team focuses on: - Shared frontend and backend platform services - Core web architecture and reusable component libraries - APIs and middleware supporting consumer workflows - Performance, reliability, and accessibility at scale - Enabling experimentation and feature velocity We partner deeply with product, design, data, and vertical engineering teams to ensure StubHub’s foundation enables rapid innovation without sacrificing quality, performance, or developer velocity. What You'll Do: - Set technical direction for the web platform, driving architecture that scales across teams and use cases - Design and build foundational systems and services that power multiple product surfaces - Lead the evolution of frontend and backend platform capabilities, balancing long term vision with near term impact - Drive performance, reliability, and scalability initiatives across high traffic consumer systems - Act as a multiplier for the organization, mentoring engineers, raising the bar in code quality, and influencing engineering culture - Identify and solve systemic issues across the stack, from developer experience to production reliability - Partner with cross functional and cross team leaders to align platform investments with business outcomes - Champion best practices in observability, testing, experimentation, and release safety - Lead complex projects from ambiguous problem spaces through execution and adoption What You've Done: - 8+ years of experience building and scaling production systems, with a strong track record of technical leadership - Deep expertise in fullstack development, including modern frontend frameworks (React, JavaScript or TypeScript) and backend systems (C#, Java, Python, or similar) - Proven ability to design and evolve large scale distributed systems and platform architectures - Experience influencing and delivering across multiple teams or organizational boundaries - Strong systems thinking with a deep understanding of tradeoffs across performance, scalability, reliability, and developer experience - Demonstrated ownership of high impact, ambiguous initiatives from concept through adoption - Experience operating in high scale consumer environments with real time or marketplace dynamics - A reputation for raising the engineering bar through mentorship, design reviews, and technical leadership Nice to have: - Experience building or owning internal platforms, shared services, or design systems - Familiarity with feature flagging, experimentation platforms, or growth infrastructure - Deep experience with web performance optimization and Core Web Vitals at scale - Exposure to AI powered product experiences or developer tooling - Experience modernizing or evolving legacy systems into scalable platforms What We Offer: - Accelerated Growth Environment: An environment designed for swift skill and knowledge enhancement, where you have the autonomy to lead experiments and tests on a massive scale. - Top Tier Compensation Package: Competitive base, equity, and upside that tracks with your impact. - Flexible Time Off: Enjoy unlimited Flex Time Off, giving you the flexibility to manage your schedule and take time to recharge as needed. - Comprehensive Benefits Package: Prioritize your well-being with a comprehensive benefits package, featuring 401k, and premium Health, Vision, and Dental Insurance options. The anticipated gross base pay range is below for this role. Actual compensation will vary depending on factors such as a candidate’s qualifications, skills, experience, and competencies. Base annual salary is one component of StubHub’s total compensation and competitive benefits package, which includes equity, 401(k), paid time off, paid parental leave, and comprehensive health benefits. Salary Range $240,000 - $350,000 USD About Us StubHub is the world’s leading marketplace to buy and sell tickets to any live event, anywhere. Through StubHub in North America and viagogo, our international platform, we service customers in 195 countries in 33 languages and 49 available currencies. With more than 300 million tickets available annually on our platform to events around the world -- from sports to music, comedy to dance, festivals to theater -- StubHub offers the safest, most convenient way to buy or sell tickets to the most memorable live experiences. Come join our team for a front-row seat to the action.

Structural Integrity Associates, Inc. is looking for a motivated civil/structural Consultant to join our Critical Infrastructure Solutions team in our San Jose, CA office. Remote or other office locations (San Diego, CA, Denver, CO, Sacramento, CA, or Atlanta, GA) may be considered. A Consultant is an individual that has diversified knowledge of engineering principles, business development and leadership abilities, and capable of taking full responsibility for organizing, executing, and coordinating project assignments. Project assignments may include 3D modeling, advanced analysis and design of various industrial building and non-building structures and nonstructural components. The company operates in a variety of industries including design and maintenance of civil infrastructure, nuclear power, healthcare, dams and waterways, transportation, defense, pressure vessels and piping, and mechanical and electrical equipment. The individual should have experience in working with stakeholders to understand issues faced and develop scopes of work for proposals. Primary Responsibilities: - Plan, schedule, conduct, and coordinate projects of medium to high complexity with limited oversight - Execute complex structural engineering tasks - Control and regularly report progress of project scope and budget - Provide clear instructions to team members on delegated tasks - Manage the preparation of technical reports and calculation documents - Review calculations and analyses from other engineers - Act as a resource for engineering staff - Assist senior management to win repeat work from existing clients through effective service and minding of clients’ needs. - Represent the company, often as the sole SIA attendee at project meetings - Coordinate with other technical leaders in the company in solving very complex engineering problems - Implement SIA’s policies on safety and quality control Required Skills/Qualifications: - MS in Civil, Structural, or Geotechnical engineering from an ABET-accredited university - At least 7 years of relevant professional experience - Professional Engineer (PE) license - Experience managing projects in solid mechanics, steel, concrete, seismic design/analysis, advanced structural analysis, structural dynamics, and use of advanced finite element analysis software platforms - Experience solving problems using data, logic, and judgement - Experience using structural engineering codes and standards such as IBC, ASCE, ACI, and AISC - Proficiency in structural engineering or finite element analysis programs (e.g. ANSYS, ABAQUS, SAP2000, LS-DYNA, Matlab, and/or Mathcad) - Strong planning and organizational skills to complete assignments within budget and schedule - Excellent written and oral communication skills - Ability to review, critique, and improve the written output of other engineers Desired Skills/Qualifications: - Excellent track record of recognized technical excellence and market leadership - Demonstrated ability to develop strong client relationships - Leadership and participation in industry standard committees - Experience as an accomplished public speaker Salary Range: The expected salary range for this role in Sacramento, CA is $106,720 to $133,400 annually. Exact pay will be commensurate with experience. Structural Integrity Associates, Inc. (SIA) does not welcome third-party recruiters, employment agencies, headhunters, etc. Please do not reach out to SIA employees requesting a call, sit down, meeting, or email response. Export Control Notice: Certain positions at SIA may require access to information and technology which is subject to Export Administration Regulations 15 CFR 730-774, including those of the US Department of Energy (DOE) in 10 CFR 810 and Nuclear Regulatory Commission (NRC) 10 CFR Part 110. Hiring decisions for such positions must comply with these regulations and may result in SIA limiting its consideration of foreign nationals who are citizens of countries that are not on the DOE’s Generally Authorized Destinations List: https://www.ecfr.gov/current/title-10/chapter-III/part-810/appendix-Appendix%20A%20to%20Part%20810. About Us: Structural Integrity Associates, Inc. (SIA) is an engineering consulting firm serving various industries including Nuclear Power, Energy Services, Pipeline Integrity, and Critical Infrastructure. Join a team of internationally recognized experts in a culture based on knowledge, excellence, and respect for one another. Our employees are members of a distinct community of internationally respected professionals committed to quality, engineering innovation and a shared goal of building a safer world. Why Work at SIA? SIA offers a competitive salary and performance-based bonus program. Our retirement benefits include a Traditional 401k, Roth 401k, and an employer match. To help employees maintain a work-life balance, SIA also offers various paid time off including vacation, floating holidays, sick time, and parental leave. Our employees also enjoy a comprehensive benefits program that includes the following: - Medical, dental, and vision insurance - Life Insurance and AD&D - Short-term and long-term disability - Health Savings Account with employer contribution - Flexible Spending Account for health care and dependent care - ID theft protection and credit monitoring Structural Integrity Associates, Inc. is an equal opportunity employer. www.structint.com