Senior Network Engineer/IPv6 SME System OneSenior Network Engineer/IPv6 SMEAlexandria, VA$72.25–$87 / hourDesign, implement, and troubleshoot enterprise-scale IP networks, including enterprise routing, switching, and protocols such as BGP, OSPF/OSPFv3, EIGRP, IS-IS, IPv4/IPv6, DNS, DHCP/DHCPv6, ICMP/ICMPv6, TCP/IP, and SNMP. • Relevant certifications such as CCIE/CCNP, JNCIP/JNCIE, IPv6 credentials, Azure Netowrk Engineer, AWS Advanced Networking, CISSP, Security+, or equivalent are preferred.
NewSenior DevSecOps Engineer - Knoxville, TN System OneSenior DevSecOps Engineer - Knoxville, TNKnoxville, TN$89,600–$139,300 / yearBuild and automate software approval workflows, quarantine/waiver processes, and repository proxy strategies across supported ecosystems. Enhance artifact management, policy governance, and open source lifecycle processes using tools like Sonatype and Nexus Repository.
Senior DevSecOps Engineer - Lafayette, LA System OneSenior DevSecOps Engineer - Lafayette, LALafayette, LA$89,600–$139,300 / yearBuild and automate software approval workflows, quarantine/waiver processes, and repository proxy strategies across supported ecosystems. Enhance artifact management, policy governance, and open source lifecycle processes using tools like Sonatype and Nexus Repository.
NewMid Level Software Engineer C# System OneMid Level Software Engineer C#Merrifield, VA$95,000–$105,000 / yearSystem One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Join our team and help build innovative software solutions that drive business success while advancing your career in a dynamic and collaborative environment.
NewIntegrations Engineer II (API) System OneIntegrations Engineer II (API)Minneapolis, MNRemote$100,000–$120,000 / yearSystem One , and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Build and maintain authentication, authorization, and data mapping logic for inbound and outbound API connections (e.g., OAuth, API keys, tokens).
Lead Software Engineer System OneLead Software EngineerReston, VA$88.64 / hourThe engineer will work alongside Platform Engineering and DevOps teams but will focus on application-level development, configurations, integrations, and modernization activities. This is primarily a Software Engineering role focused on making enterprise applications cloud-ready and supporting cloud migration efforts.
NewLinux Systems Engineer System OneLinux Systems EngineerPalm Shores, FL$110,000–$120,000 / hourConfigure, patch, upgrade, and harden Linux operating systems and core services, including security controls like user management, SSH, sudo, PAM, SELinux, and firewall configuration. Four-year degree in Information Systems, Computer Science, Computer Engineering, or a related field preferred; equivalent education, certifications, and experience will be considered.
Mid-Level Backend Software Engineer System OneMid-Level Backend Software EngineerGaithersburg, MD$60–$80 / hourRequirements Bachelor’s degree in Computer Science, Software Engineering, or a related field with 4–8 years of experience; or a Master’s degree with 2–6 years of experience. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
NewSenior Process Safety Specialist / Engineer System OneSenior Process Safety Specialist / EngineerEast Windsor, NJ$50–$64 / hourSystem One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Degree in Chemistry, Engineering, Science, or related scientific field (Required); Master's Degree in HSE Process Safety or equivalent (Preferred).
GenAI Engineer System OneGenAI EngineerLafayette, LA$100,500 / yearThis role focuses on developing AI capabilities that combine trusted enterprise data, large language models (LLMs), semantic search, retrieval augmented generation (RAG), and workflow/tool integrations. Experience developing AI agents, including single agent or multi agent workflows, orchestration, tool integration, memory, and controlled autonomy.
NewSenior DevSecOps Engineer - Birmingham, AL System OneSenior DevSecOps Engineer - Birmingham, ALBirmingham, AL$89,600–$139,300 / yearBuild and automate software approval workflows, quarantine/waiver processes, and repository proxy strategies across supported ecosystems. Enhance artifact management, policy governance, and open source lifecycle processes using tools like Sonatype and Nexus Repository.
NewSenior Firmware Engineer System OneSenior Firmware EngineerTaunton, MA$64–$74 / hourBachelor's degree in Electrical Engineering, or a related Science, Engineering or Mathematics field, plus a minimum of 8 years of relevant experience; or Master's degree plus a minimum of 6 years of relevant experience. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
NewNuclear Safety Analysis Engineer System OneNuclear Safety Analysis EngineerBellevue, WARemote$46–$77 / hourFamiliarity with nuclear design, regulatory requirements, and risk-informed performance-based technology guidance for Non-Light Water Reactors, including EMDAP and Regulatory Guide 1.203, is preferred. Assess plant transient benchmark tests, identify applicable tests relevant to the advanced reactor, and perform benchmark calculations.
NewSenior System Safety Engineer System OneSenior System Safety EngineerTulsa, OKRemote$175,000 / yearThe Senior System Safety Engineer is a hands-on technical leader responsible for identifying and reducing electrical, mechanical, and environmental risks in in-line inspection tools and associated equipment. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
NewSenior Contact Center Engineer System OneSenior Contact Center EngineerLafayette, LAStrong hands-on experience with at least one major enterprise contact center platform (e.g., Cisco, Genesys, Avaya, NICE, Amazon Connect, Five9, or similar enterprise grade solutions). • Hands on configuration expertise, strong understanding of routing and agent lifecycle management, and the ability to support coexistence between legacy and cloud platforms.
Information Systems Security Engineer (ISSE) System OneInformation Systems Security Engineer (ISSE)01731, MA$180,000–$195,000 / hourRequirements** 10+ years experience in cyber security or information assurance including technical experience related to cryptographic engineering architecture, requirements determination, development, and implementation. Experience supporting US Government contract proposals as IA/security engineering subject matter expert, and implementation of DoD and Federal security processes.
NewAdvanced MBSE Systems Engineer System OneAdvanced MBSE Systems EngineerDedham, MA$50–$60 / hourBachelor's degree in Systems Engineering, or a related Science, Engineering, or Mathematics field, plus a minimum of 5 years of relevant experience; or Master's degree, plus a minimum of 3 years of relevant experience. Leverage MBSE models for effective communication of complex system designs and support requirements management and architectural frameworks.
NewSenior Software Engineer C# System OneSenior Software Engineer C#Merrifield, VA$105,000–$120,000 / yearThe ideal candidate will possess advanced software engineering expertise, strong development skills, and the ability to mentor team members while contributing hands-on to complex technical initiatives. We are seeking an experienced Senior Software Engineer to provide technical leadership and drive the design, development, and delivery of mission-critical software solutions.
NewAdvanced Software Engineer for Space and Embedded Crypto System OneAdvanced Software Engineer for Space and Embedded CryptoScottsdale, AZRequirements Bachelor's degree in Software Engineering or related Science, Technology, Engineering, or Mathematics field, plus a minimum of 5 years of relevant experience; or Master's degree with 3 years relevant experience. Design, develop, test, and maintain software applications related to space and embedded cryptography, ensuring they meet user requirements and perform efficiently.
NewElectrical Engineer II System OneElectrical Engineer IILake Mary, FL$80,000 / hourDesign electrical power distribution systems for Gas Turbine auxiliary equipment, primarily working with low-voltage systems (600V and below) including MCCs, Panelboards, LV Transformers, DC Systems, and Batteries. Generate electrical drawing packages to document logic, wiring, and system interactions, interpreting and designing per applicable electrical codes such as NEC/NFPA 70, CEC, IEC, ISA, AGA, etc.