Location: Lexington, MA 02421 Responsible for full lifecycle application development including designing, coding, testing, debugging, and maintaining software applications across multiple programming languages. The role includes software analysis, requirements analysis, code reviews, and identification of code metrics to ensure reliability and performance. Engineers will apply object-oriented design and analysis methodologies while supporting modeling, simulation, testing, and quality assurance activities. The role also involves front-end graphical user interface development, performance optimization, automation, and usability improvements. The engineer will maintain and document software functionality, integrate applications with existing systems, and evaluate emerging technologies for implementation. Responsibilities also include maintaining standards compliance and supporting localization or globalization of software solutions where required.

Location Cambridge MA 02140 / Onsite three days per week. The Data & Systems Engineer contributes to the design, implementation, and governance of scalable data, analytics, and compute platforms supporting scientific and enterprise functions. This includes working with Databricks (Unity Catalog), AWS cloud infrastructure, and posit analytical environments to enable secure, reliable, and efficient workflows.

Location : WARRENVILLE Illinois The System Administrator II supports testing, configuration, and documentation of SIEM hardware, network infrastructure, and monitoring systems within a regulated nuclear environment. This role focuses on building and maintaining an air-gapped lab, configuring servers and virtual environments, and supporting next-generation security monitoring systems. The position requires compliance with strict nuclear site access standards.

Location (mandatory): Morton Grove, IL 60053 (Remote) Small Description: experienced DevOps Engineer to support and modernize our Windows-based application landscape. This role will focus on infrastructure reliability, application migration and modernization, automation, CI/CD optimization, and operational excellence across our IaaS environments. The ideal candidate combines strong hands-on Windows infrastructure experience with DevOps practices and automation capabilities. You will collaborate closely with development, infrastructure, and security teams to ensure stable, scalable, and secure platforms.

Location (mandatory): Remote WFH We are seeking a skilled software professional responsible for designing and implementing system software from initial requirements through production and commercial deployment. The role involves developing, coding, testing, debugging, and reviewing system-level applications while ensuring efficiency, stability, and scalability of system resources. The candidate will collaborate closely with hardware design and development teams to ensure seamless integration. Strong knowledge of operating system coding techniques, IP protocols, interfaces, and hardware subsystems is essential. A solid academic background in Computer Engineering, Computer Science, or a related field is required. Experience with the Go programming language is preferred.

Location: Lexington, MA Maintains operation of multi-user computer systems, including coordination of infrastructure and cloud responsibilities. Develops and designs core operating system builds. Responsible for coding, virtualization, and automation of systems. Sets up administrator and service accounts, maintains an active directory of users and system documentation, tunes system performance, installs system-wide software, and allocates mass storage space. Assesses and resolves user access problems related to security controls to minimize business impact and risk exposure. Identifies and evaluates vendor products and establishes vendor monitoring and tracking processes. Performs capacity planning and monitors and tunes systems. Recommends appropriate platforms for purchase, coordinates installation, and provides backup and recovery support. Serves as a point of escalation for major incidents unresolved at the helpdesk level. Develops and monitors policies and standards related to the use of computing resources. Drafts general IT communications to end users including outage and downtime notifications. May serve as the primary liaison for mergers, acquisitions, and divestiture activities related to user access, network, security, and support. Other: Clearance: Interim clearance is sufficient to start, with potential for higher-level clearance if required Work Location: Position requires onsite presence 4 to 5 days per week during initial onboarding period; hybrid schedule of 2 days onsite per week after training Interview Process: Initial prescreen via Zoom, followed by technical interview and final interview with Group Leadership Periodic after-hours or weekend work may be required for data migration or system upgrades Long-term contract opportunity (3+ years)

Location: Lexington, MA Designs, models, analyzes, and tests optical, electro-optical, and opto-mechanical systems and components, including sensors, lasers, fiber optics, and telecommunications products. Conducts research and development in physical and geometric optics, laser systems, laser characteristics, maintenance, and broadband optical sources. Applies advanced optical principles to achieve desired system performance outcomes. Develops component specifications, tolerances, simulations, and test procedures for electro-optical systems and components. Utilizes design-to-cost models, Six Sigma methodology, and structured engineering practices to ensure optical design requirements are met and verified. Other: • Clearance: Candidate may start with an interim clearance; strong preference for candidates with active Secret or Top Secret clearance. Candidate will be required to obtain Top Secret clearance after onboarding Work Location: 100% onsite in laboratory environment Interview Process: Initial prescreen via Zoom or phone followed by onsite final interview; second-round Zoom interview may be considered for relocating candidates Long-term contract opportunity (3+ years)

Location : DuBois, PA 15801. The Technician in IT Service Delivery is a vital role focused on the operational aspects of IT services within an organization. This position entails hands-on management of IT service requests, including installation, configuration, and troubleshooting of hardware and software. The technician ensures optimal system performance, provides user support, and maintains accurate service documentation. With a commitment to service excellence, this role is essential for ensuring that IT services are delivered effectively and efficiently, aligning with business needs and enhancing user experience.

Location : Tewksbury, MA 01876. The Technician in IT Service Delivery is a vital role focused on the operational aspects of IT services within an organization. This position entails hands-on management of IT service requests, including installation, configuration, and troubleshooting of hardware and software. The technician ensures optimal system performance, provides user support, and maintains accurate service documentation. With a commitment to service excellence, this role is essential for ensuring that IT services are delivered effectively and efficiently, aligning with business needs and enhancing user experience.