Jobs at OKSI

This onsite Senior Software Engineer role supports the Test Solutions Center team in Tucson, Arizona, focusing on the development of advanced Windows applications for missile weapon systems. The position requires a second shift schedule and involves designing, developing, and integrating object-oriented software using C# and C++ within Microsoft Visual Studio. Key responsibilities include creating instrument drivers, troubleshooting test equipment, and collaborating with multidiscipline engineering teams throughout the product lifecycle. The role appeals to candidates seeking to apply their engineering expertise to meaningful national defense missions while working with state-of-the-art technology. Success in this position requires U.S. citizenship and the ability to obtain a government security clearance.

This onsite contract role serves as a maternity leave replacement for a School Physical Therapist in Fairport, New York, supporting students from kindergarten through age 22. The position involves delivering direct therapy interventions, developing individualized treatment plans, and collaborating with educators to integrate services into classroom settings. Key responsibilities include maintaining comprehensive documentation, participating in IEP meetings, and recommending adaptive strategies to support inclusive education. The role offers a structured 35-hour workweek from May to June 2026, providing a focused opportunity to make a meaningful impact on student mobility and development within a dynamic educational environment. The position may be extended to include an ESY PT role, allowing for continued engagement with the school community.

This onsite Sr Mechanical Engineer role within the Precision Control Actuation System department focuses on the design, build, and verification of harness and interconnect systems for tactical missile programs. The position involves detailed mechanical design, test execution, and systems engineering while requiring a minimum of five years of relevant experience and an active U.S. government security clearance. The role appeals to engineers seeking hands-on hardware work in a collaborative environment with direct access to engineering fellows for accelerated technical growth. Candidates will contribute to solving complex problems across the product lifecycle, from proposal to integration, within a culture that prioritizes safety, innovation, and mission-critical defense work.

This onsite Network Administrator role supports the US Army North Information Technology Directorate in Ft Sam Houston, Texas. The position involves overseeing computer networks to ensure proper administration, maintenance, and security for large-scale systems. Key responsibilities include troubleshooting network performance issues, analyzing traffic, managing LAN/MAN/WAN systems, and configuring hardware and software across on-premises and cloud environments. The role offers the opportunity to work on critical cybersecurity support and infrastructure projects within a structured government environment. Candidates must hold a Secret clearance and possess relevant certifications and experience.

This onsite role at Patuxent River Naval Air Station involves preparing and painting aircraft, support equipment, and allied components for SOL Engineering Services. The position requires five years of specialized experience and includes duties such as surface preparation, removing old coatings, applying various paints and resins, and marking insignia. The role demands flexibility to work overtime, weekends, and potential detachments ashore or shipboard. The opportunity appeals to candidates seeking to contribute to a firm with a twenty-year history of serving government and industrial clients, offering a collaborative environment within a growing organization of over 100 professionals.

This onsite Account Manager role supports the advertising sales and fulfillment team at a leading digital marketing agency in Downtown Phoenix. The position involves coordinating campaign execution, managing client communications, and handling reporting across diverse platforms such as Google Ads, Paid Social, Programmatic, and print media. Key responsibilities include supporting sales leadership and ensuring seamless digital marketing operations for a fast-paced environment. The role appeals to proactive, detail-oriented professionals who thrive in collaborative settings and enjoy managing multiple priorities simultaneously within a high-growth company.

This onsite Senior Engineer role within the HPE-Juniper Solution Engineering team focuses on designing and validating complex customer network deployments. Key responsibilities include owning end-to-end testing of network solutions, developing automated test scripts using Python and modern frameworks, and leveraging AI tools to enhance testing efficiency. The position requires deep expertise in networking protocols and collaboration with cross-functional teams to ensure high-quality software delivery. The role appeals to candidates seeking professional growth within a culture that values varied backgrounds, offers flexibility in managing work-life needs, and provides comprehensive benefits and development programs.

This onsite Veterinary Assistant role supports veterinarians and technicians within a growing network of over 40 hospitals. The position involves performing technical duties such as surgical assistance, dentistry, and laboratory procedures while maintaining sterile environments. Key responsibilities include managing patient intake, educating clients on wellness plans, and handling reception tasks to ensure smooth hospital operations. The role appeals to candidates seeking a collaborative, people-first culture that prioritizes mentorship and professional growth. WellHaven Pet Health offers a supportive environment recognized for its commitment to team success and community impact, providing opportunities for career development within a fast-paced, team-centered setting.

This onsite Test Engineer role at Stefanini Group is based in Round Lake, Illinois, focusing on validating medical device systems and healthcare interoperability. The position involves executing test cases to ensure accurate data exchange between devices and systems, while verifying compliance with standards such as HL7, FHIR, and DICOM. Key responsibilities include identifying and documenting defects, performing root cause analysis, and maintaining detailed test records for audit readiness within a regulated environment. The role offers the opportunity to work with cutting-edge healthcare technologies and contribute to critical system integrations. Candidates will engage in hands-on testing using simulators and test management tools during standard business hours.

This onsite Customer Support Associate role within Accenture Flex focuses on delivering high-quality service to users of a digital platform. The position involves addressing account-related inquiries, clarifying technical issues, and educating users on effective platform utilization through outbound calls and direct communication. Key responsibilities include meeting daily performance targets, maintaining high customer satisfaction ratings, and escalating complex cases to team leads or subject matter experts. The role appeals to candidates seeking experience with a global professional services organization, offering access to world-class learning resources and a diverse, collaborative network. The position requires flexibility to work various shifts including weekends and holidays, with a mandatory relocation to San Antonio, Texas.

This onsite Senior Systems Engineer role at Raytheon in Tucson, Arizona, focuses on modeling, simulation, and analysis for defense technologies. The position involves creating high-fidelity simulations for missile design, conducting trade studies to evaluate system performance, and collaborating with multidisciplinary teams on guidance, navigation, and signal processing projects. Key responsibilities include developing modeling solutions, providing technical guidance throughout the product lifecycle, and supporting flight test activities. The role appeals to engineers seeking to solve complex, meaningful problems that contribute to national security while working within a culture that values innovation, safety, and collaboration. Candidates will benefit from relocation assistance and the opportunity to work on cutting-edge defense systems alongside experienced professionals.

This onsite Senior Account Executive role at Inabia Solutions & Consulting Inc. focuses on driving business development within the IT consulting and staffing sector for enterprise clients in the Bellevue, Washington area. The position involves identifying strategic opportunities, managing the full sales lifecycle from prospecting to contract negotiation, and building relationships with decision-makers at major technology organizations. Key responsibilities include developing business plans, navigating MSP and VMS procurement environments, and collaborating with delivery teams to align client needs with talent solutions. The role appeals to driven professionals seeking to influence growth within a high-performance, entrepreneurial culture that offers significant career advancement opportunities and a collaborative team environment.

This onsite Facilities Operations Technician IV role supports mission-critical systems within hyperscale data centers in Santa Teresa, New Mexico. The position involves maintaining electrical, mechanical, cooling, and control infrastructure while performing troubleshooting, root cause analysis, and system upgrades. Key responsibilities include coordinating with vendors, reviewing technical documentation, and ensuring safe execution of maintenance tasks to protect continuous uptime. The role appeals to candidates seeking a technically rigorous environment where operational excellence and safety are prioritized. It offers opportunities for long-term career development, internal mobility, and the chance to contribute to global cloud infrastructure reliability. The position requires flexibility for shift-based schedules and physical capability to work in an industrial setting.

This onsite Senior System Safety Engineer role is based in Aurora, Colorado, within the System Safety and Human System Integration department at Raytheon. The position focuses on developing and implementing MIL-STD-882E compliant safety programs for complex defense systems. Key responsibilities include conducting hazard and design analyses, coordinating with cross-functional engineering teams to integrate safety controls, and managing safety approvals with government authorities throughout the product lifecycle. The role appeals to professionals seeking to contribute to national security missions while working in a collaborative culture that values innovation and accountability. Candidates must possess an active Top Secret security clearance and U.S. citizenship. The position offers relocation eligibility and the opportunity to work on critical Special Access Programs.

This onsite Principal System Safety Engineer role at Raytheon in Aurora, Colorado, serves as a technical expert and project manager for DoD missile safety programs. The position requires an active Top Secret security clearance and involves establishing comprehensive safety programs compliant with MIL-STD-882E, integrating safety tasks into project schedules, and leading cross-functional teams to identify and mitigate risks. Key responsibilities include mentoring junior engineers, presenting safety status to review boards, and collaborating with engineering and program leadership to ensure hazard elimination throughout the product lifecycle. The role appeals to professionals seeking to apply advanced engineering expertise to meaningful national defense missions within a culture that values trust, innovation, and collaboration.

This onsite Senior System Safety Engineer role is based in Aurora, Colorado, within the System Safety and Human System Integration department at Raytheon. The position focuses on developing and implementing MIL-STD-882E compliant safety programs, conducting hazard analyses, and coordinating with cross-functional engineering teams to ensure design integrity. Key responsibilities include interfacing with government safety review boards, managing safety working groups, and collaborating with software, hardware, and systems engineers to eliminate risks throughout the product lifecycle. The role appeals to professionals seeking to contribute to national defense and mission-critical projects with a team that values trust, innovation, and collaboration. Candidates must hold an active Top Secret security clearance and U.S. citizenship. Relocation assistance is available for qualified applicants.

This onsite engineering role at the Raytheon facility in Tucson, Arizona, focuses on managing digital product configurations within a mission-critical defense environment. The position involves overseeing builds and releases, facilitating change review boards, and maintaining strict control over versioning and security across the software development lifecycle. Key responsibilities include administering DevSecOps tools, managing media libraries, and coordinating complex digital product releases to ensure on-time delivery. The role appeals to candidates seeking to contribute to national security through meaningful engineering challenges while working within a culture that prioritizes safety, trust, and innovation. Success in this position requires U.S. citizenship and the ability to obtain a Secret security clearance.

This onsite Senior Principal Mechanical Engineer role within Raytheon's Mechanical Analysis and Test Department focuses on structural integrity and high-temperature materials for hypersonic aerospace systems. The position involves performing complex structural analyses using finite element methods, designing and executing material testing protocols for ceramics and composites, and leading technical peer reviews to ensure design robustness. Candidates will act as a technical subject matter expert to define department processes and present findings to government stakeholders. The role appeals to engineers seeking to solve meaningful national security challenges within a collaborative culture that values innovation and safety. Success requires an active Secret security clearance and U.S. citizenship, with occasional travel to test sites in Tucson, Arizona.

This onsite Senior Principal Systems Engineer role at RTX in Tucson, Arizona, serves as a technical and management leader for the Coyote Block 2C-RM missile program. The position focuses on the development, integration, and testing of complex sensor, communications, and electronic subsystems while acting as a Control Account Manager for multiple cost accounts. Key responsibilities include defining system requirements, leading cross-disciplinary technical discussions, and providing expert troubleshooting for failure investigations. The role appeals to engineers seeking to solve high-stakes national security challenges within a collaborative culture that values innovation and safety. Candidates will work in a fast-paced environment with opportunities for professional growth and relocation assistance, requiring an active U.S. government security clearance and U.S. citizenship.

This onsite role at Raytheon in Tucson, Arizona, is for a Senior Systems Engineer specializing in Guidance, Navigation, and Control within the Systems Effectors center. The position focuses on the development, integration, and testing of embedded tactical missile flight code, alongside conducting system-level performance studies and Monte Carlo assessments. The engineer will collaborate in an integrated product team to optimize algorithms for 6 Degrees-of-Freedom simulations and lead agile development efforts while mentoring junior staff. The role appeals to candidates seeking to contribute to national defense and mission-critical projects with a team that values innovation, safety, and collaboration. Relocation assistance is available for qualified candidates, and the position requires U.S. citizenship and the ability to obtain a Secret security clearance.

This onsite Senior Mechanical Engineer role within the Mechanical Analysis and Test Department at Raytheon's Tucson facility focuses on thermal engineering for defense systems. The position involves performing detailed thermal analyses using finite element software and hand calculations, generating test plans to validate hardware, and correlating models with experimental data. Key responsibilities include presenting technical results to government customers, leading analysis teams, and defining departmental processes. The role appeals to engineers seeking to solve meaningful, high-stakes problems that contribute to national security while working with state-of-the-art tools. Candidates benefit from a robust total rewards package featuring career development programs, flexible work schedules, and comprehensive wellness and retirement benefits.

This onsite Senior Hardware Production Support Engineer role within Raytheon's Receiver/Exciter & Processing Architecture department focuses on bridging design engineering and manufacturing operations. The position involves troubleshooting complex digital, analog, and RF circuit card assemblies, leading failure analysis investigations, and supporting the transition of new products into production. Key responsibilities include collaborating with supply chain and quality teams to resolve production issues, performing circuit modeling and simulation, and managing engineering change notices. The role appeals to engineers seeking to contribute to national defense missions with a team that values innovation and safety. It offers opportunities for professional growth in a high-tech environment, relocation assistance for eligible candidates, and requires an active U.S. Secret security clearance with occasional travel to other Massachusetts and Arizona sites.