Senior Ab Initio Developer CredenceSenior Ab Initio DeveloperMcLean, VA$130,000–$160,000 / yearExperience building integrations across APIs, legacy systems, and heterogeneous data sources, with the ability to troubleshoot performance issues and optimize large-scale ETL workflows. This role is well suited to someone who enjoys working across complex data environments, partnering with technical and business stakeholders, and contributing to solutions where reliability, performance, and quality matter.
Senior Financial Data Analyst System OneSenior Financial Data AnalystReston, VA$85,100–$110,000 / yearSystem One is seeking a Senior Financial Data Analyst with prior experience supporting environments and strong knowledge of financial data analysis. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
NewSenior Full Stack Engineer System OneSenior Full Stack EngineerReston, VADevelop and execute end-to-end performance tests, analyze application behavior, and identify bottlenecks across integrated systems, microservices, databases, and AWS services. Ability to establish performance baselines, analyze test results and application metrics, implement or recommend remediation, and retest to demonstrate improvement.
Senior Business Specialist CYNET SYSTEMSSenior Business SpecialistTysons, VA$48–$53 / hourTemporaryContractorPart timeAs a nationally and locally certified Minority Business Enterprise (MBE), Cynet Systems is committed to helping organizations build high-performing teams while empowering professionals to grow rewarding careers. We deliver agile, scalable talent solutions across IT, engineering, life sciences, clinical, and professional staffing, powered by a high-performing recruitment engine operating across North America and Asia.
NewCommercial Construction Senior Superintendent - Industrial HITT ContractingCommercial Construction Senior Superintendent - IndustrialFalls Church, VA$132,000–$181,500 / yearThis role sits within HITT's Industrial group, which delivers new construction, renovations, expansions, and fit-outs across distribution centers, warehouses, manufacturing, aviation, automotive, mission critical, advanced manufacturing, central utility plants, and other complex industrial facilities nationwide. The Senior Superintendent provides leadership and serves as the liaison between project team members to promote the interest of both the business and clients in all matters, as well as demonstrate the characteristics of a mid-level leader.
Senior Infrastructure Automation Engineer System OneSenior Infrastructure Automation EngineerWashington, DCRemote$78.25–$95 / hourThe SEC environment is expanding automation from an existing baseline and establishing a repeatable model that technical teams can use to automate infrastructure configuration, software and agent deployment, patching, operational procedures, and approved remediation without creating unnecessary dependencies on a single infrastructure team. System One IT has a remote, 12 month+ contract opening for a Senior Infrastructure Automation Engineer to support our client with their SEC ISS2 contract by architecting, engineering, and building an enterprise infrastructure and operations automation capability centered on Red Hat Ansible Automation Platform and Ansible.
Sr ServiceNow Product Owner System OneSr ServiceNow Product OwnerReston, VA$73.48 / hourSystem One, and its subsidiaries including Joulé, ALTA IT Services, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. This role partners closely with business and IT teams to define requirements, manage the product backlog, and ensure the platform delivers meaningful value to the organization.
Sr. Technical Writer System OneSr. Technical WriterGaithersburg, MD$60–$65 / hourWe’re seeking an experienced Senior Technical Writer to create and maintain high-quality documentation for complex GEOINT (geospatial intelligence) systems and software . You’ll partner closely with engineers, developers, architects, analysts, and other SMEs to translate technical and mission-focused concepts into clear, usable documentation for multiple audiences.
Senior Oracle Database Enterprise Architect System OneSenior Oracle Database Enterprise ArchitectMerrifield, VA$125,000–$135,000 / yearExperience 10+ years of IT experience, with significant experience in enterprise architecture, solution architecture, or Oracle database architecture. System One IT is staffing a direct-hire opening for a Senior Oracle Enterprise Architect with a respected systems integrator, supporting a civilian federal end-customer.
NewSenior AWS Full Stack Software Engineer System OneSenior AWS Full Stack Software EngineerReston, VA$108,500 / yearExperience working with Large Language Models (LLMs), LLM APIs, and agentic or agent-based workflows. • Experience applying AI to software engineering activities such as code generation, unit testing, test automation, and code reviews.
Senior GenAI & Data Engineer System OneSenior GenAI & Data EngineerReston, VA$85,000–$110,000 / yearStrong data engineering expertise, including developing data pipelines, data models, and processing large-scale data. Leverage AWS services such as Amazon Bedrock, AWS Lambda, AWS Glue, and AWS Step Functions for cloud-native development.
NewSenior Project Manager LeidosSenior Project ManagerArlington, VA$116,350–$210,325 / yearComplex Infrastructure Project Delivery: Manage cross-functional technical teams executing critical infrastructure deployments and migrations, including Joint Regional Security Stack (JRSS) transitions, voice/phone switch migrations, Government-Owned Quarters (GOQ) network installations, network node expansions, and enterprise routing reconfigurations. In this high-visibility leadership role, you will serve as the principal Air Force project management authority embedded directly at the Pentagon to drive project delivery across the 844th Communications Group (844 CG), Headquarters Air Force (HAF), Air Force District of Washington (AFDW), and the Joint Service Provider (JSP).
NewSenior Software Engineer System OneSenior Software EngineerFort Belvoir, VAThe ideal candidate has strong full stack development experience, technical leadership capabilities, and experience building applications on Palantir Foundry or a comparable enterprise data platform. You will build user-facing applications, backend services, APIs, and data integrations while working directly with Army users and product designers.
NewSr. ServiceNow Developer - CSM System OneSr. ServiceNow Developer - CSMReston, VA$83.33 / hourThis role focuses on building and improving customer-facing solutions, Service Portals, integrations, and custom workflows within a complex ServiceNow environment serving large-scale user communities. We are seeking a Senior ServiceNow Developer with strong experience in Customer Service Management (CSM) to support the development and enhancement of enterprise ServiceNow applications.
NewSenior Program Manager LeidosSenior Program ManagerArlington, VA$154,050–$278,475 / yearAs part of this task order, Leidos manages the operations and sustainment of the cloud and broader information environment to include operational engineering, support to the continuous development & continuous integration environment, fourth estate consolidation, and broad professional services – ITIL/DevSecOps based processes, excellent customer experience 1st call resolution, and service catalog-based delivery for Defense Working Capital Fund (DWCF) Model. The Mission Operations Area within Leidos’ Digital Sector is seeking an experienced Senior Program Manager to manage the Compartmented Enterprise Services Office (CESO) Task Order for the Systems Engineering, Technology, and Innovation (SETI) contract.
Senior Real Estate Development Manager, AWS Infrastructure Services Amazon Data Services, Inc.Senior Real Estate Development Manager, AWS Infrastructure ServicesArlington, VAWe are looking for a talented professional to join the AWS Real Estate Team who will operate on both strategic and tactical levels to support the expansion of AWS’s Data Center Network in the U.S. In this role, you will work directly with land owners, data center developers, PE firms, local jurisdictions, land use attorneys and consultants to identify and secure agreements to facilitate AWS’s expansion. - Work cross-functionally with other internal and external teams, including Design Engineering, Legal, Economic Development, Public Policy, Construction and Capacity Planning, to inform a regional real estate strategy.
Senior Full Stack Developer – (React, Node, AWS & Agentic AI) Dev Technology GroupSenior Full Stack Developer – (React, Node, AWS & Agentic AI)Reston, VA$116,000–$190,000 / yearAs a Washington Post Top Workplace award winner for the past THIRTEEN years in a row, the Top Workplaces USA for the past five years, and a recipient of the Companies As Responsive Employers (CARE) Award for the past six years, Dev Technology employees enjoy: Generous and flexible time-off policy. Use AI-powered development tools such as Kiro, Amazon Q Developer, GitHub Copilot, or similar agentic AI environments for code generation, refactoring, testing, and specification-driven development.
NewSenior AWS Full Stack Engineer System OneSenior AWS Full Stack EngineerReston, VA$108,000 / yearThe engineer will work across application layers, contribute to technical decisions, translate business requirements into working solutions, and help improve development efficiency through modern engineering and AI assisted practices. The ideal candidate brings strong full stack development experience, solid AWS knowledge, and practical experience using AI/Generative AI tools as part of the software development lifecycle.
NewCommercial Construction Senior Superintendent - GovCloud HITT ContractingCommercial Construction Senior Superintendent - GovCloudFalls Church, VA$132,000–$181,500 / yearEnsure complete, accurate daily documentation of work orders/tickets, understanding subcontractor scope of work to avoid unnecessary change orders, and identifying problems early and act immediately to provide solutions. provides leadership and serves as the liaison between project team members to promote the interest of both the business and clients in all matters, as well as demonstrate the characteristics of a mid-level leader.
NewCommercial Construction Senior Superintendent - Multifamily HITT ContractingCommercial Construction Senior Superintendent - MultifamilyFalls Church, VA$132,000–$181,500 / yearEnsure complete, accurate daily documentation of work orders/tickets, understanding subcontractor scope of work to avoid unnecessary change orders, and identifying problems early and act immediately to provide solutions. provides leadership and serves as the liaison between project team members to promote the interest of both the business and clients in all matters, as well as demonstrate the characteristics of a mid-level leader.