Model-Based Systems Engineer LeidosModel-Based Systems EngineerWashington, DC$69,550–$125,725Bachelor’s degree in engineering or related field with 2+ years of prior relevant experience or a master’s degree with at least a year experience in one of these areas: systems engineering, software engineering, test engineering or related field. March 30, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
NewLead Software Engineer OneMain FinancialLead Software EngineerBaltimore, MD$96,000–$115,200 / yearThe ideal candidate will have in-depth experience with Workforce Management (WFM), Customer Relationship Management (CRM) systems, call recording solutions, dialers, reporting tools, API integrations, and a strong hands-on working knowledge of NiceCX systems. Data modeling experience to design, develop, and maintain GraphQL APIs and Data Solutions using RDBMS like Aurora, Postgres, and in-memory data stores like Amazon Memory DB and Redis, ensuring optimal performance, data integrity, availability and scalability.
NewMid-Level Water Resource Engineer Straughan Environmental IncMid-Level Water Resource EngineerColumbia, MD$90,000–$130,000 / yearStraughan is currently seeking a highly motivated and versatile Mid-Level Water Resources Engineer to join our Engineering Business Unit who has the ability to be a leader, deliver quality projects, and grow Straughan’s presence. Our staff consists of wildlife and wetlands scientists; geomorphologists and hydrologists, civil and environmental engineers; inspectors; biologists and botanists; planners; cultural resource specialists; and GIS and CAD professionals.
NewCivil Engineer Delon Hampton & Associates, CharteredCivil EngineerSilver Spring, MDWork with senior level engineers, clients and agencies, subcontractors, and design teams on complex engineering projects; Serve as a lead/resource among team of colleagues in equivalent roles to share technical proficiency, guidance, and mentorship; Develop construction documents, expedite permits, and support the Manager on all phases of engineering services under the guidance of the Project Manager; Provide technical assistance in the resolution of design problems that may include performing field investigations or inspections, and detailed design work and calculations; Prepare specifications through the use of research and manufacturing catalogs to specify materials, installation, inspection and payment of items specific to a project; Assist with preparation of construction documents, design of site and infrastructure improvements including grading, dry and wet utilities, erosion control, and storm water management; Plan, schedule, conduct, and/or coordinate detailed phases of assigned project work; Conduct constructability reviews or assist in the designing, planning, reviewing of civil engineering projects; Serve as technical specialist and liaison between clients and agencies, subcontractors, and design teams on complex project issues; and. Delon Hampton & Associates, Chartered provides healthcare benefits to full-time employees working a minimum of 32 hours a work week.
NewSenior Cybersecurity Engineer Dark Wolf SolutionsSenior Cybersecurity EngineerArlington, VA$155,000–$180,000 / yearJob Description Dark Wolf is seeking a Senior Cybersecurity Engineer to join a collaborative team to develop, manage, and maintain the security posture of cloud-based information systems with a focus on SIEM validation, continuous exposure management, and continuous Authorization to Operate (cATO) support. 10+ years of relevant Cybersecurity experience focusing on SIEM validation, tuning, behavioral analytics (integrated with AWS infrastructure), continuous exposure management, and cATO support.
NewProcess Engineer (Oil & Gas) ProSidian Consulting, LLCProcess Engineer (Oil & Gas)Washington, DC0 JOB OVERVIEW Provide services and support as a Process Engineer (Oil & Gas) [Independent Engineering (IE) Advisory Services] aligned with the Technical Execution / Independent Engineering Functional Area / Swim Lane / Category Discipline in the Energy Industry (Oil, And Gas/Power, And Utilities) Industry Sector focussing on RM | Risk Management Solutions for clients such as U.S. Department of Energy (DOE) | DOE Energy Dominance Financing (EDF) Program Generally Located In CONUS - Located In Washington, DC / Nationwide (Remote Project Support Across the United States) and across the District of Columbia / Nationwide (Remote Project Support Across the United States) - Independent Engineering Advisory Services are typically performed remotely and at project sites nationwide. An EDF-style Independent Engineering engagement could include:- Upstream Oil & Gas (Exploration and production | Reservoir development | Drilling programs)- Midstream (Pipelines | Compression facilities | LNG infrastructure | Storage terminals)- Downstream (Refineries | Petrochemical facilities | Processing plants)- Power & Utilities (Generation facilities | Transmission infrastructure | Grid modernization | Energy storage) Other Details Role supports NAICS 541330 Engineering Services for Energy Dominance Financing (EDF) Program/Loan Programs Office (LPO) energy infrastructure financing, with work performed for high-impact oil and gas, power, utilities, and infrastructure projects.
NewSecurity Engineer @OrchardSecurity EngineerBethesda, MD$75,000–$80,000 / yearBachelor’s degree in computer science, engineering, or a related field or an equivalent combination of education and experience and appropriate technical certifications, with at least twelve (12) years of experience in information technology and (4) years leading or performing systems engineering or related functions. Support a federal healthcare enterprise environment by collaborating with and providing support to other IT Operational Service Areas (Server/Storage, Network, Service Desk, Application Development) in the design, development, and testing of solutions, as well as diagnosing, troubleshooting, and remediation of issues.
NewMid-Level Coastal / Water Resources Engineer Straughan Environmental IncMid-Level Coastal / Water Resources EngineerColumbia, MD$90,000–$150,000 / yearOur staff consists of wildlife and wetlands scientists; geomorphologists and hydrologists, civil and environmental engineers; inspectors; biologists and botanists; planners; cultural resource specialists; and GIS and CAD professionals. These will include planning and design of various projects including coastal wetland restoration, living shorelines, built and natural infrastructure resilience, coastal and compound flooding solutions.
NewMechanical Construction Project Manager JobotMechanical Construction Project ManagerPikesville, MD$110,000–$165,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Skilled in overseeing HVAC, piping, and plumbing systems; coordinating subcontractors; preparing RFIs; managing schedules and budgets; and maintaining project documentation in fast-paced environments.
NewRefinery Process Engineer ProSidian Consulting, LLCRefinery Process EngineerWashington, DC0 JOB OVERVIEW Provide services and support as a Refinery Process Engineer [Independent Engineering (IE) Advisory Services] aligned with the Technical Due Diligence & Engineering Validation For Downstream Oil & Gas / Midstream / Pipelines Functional Area / Swim Lane / Category Discipline in the Energy Industry (Oil, And Gas/Power, And Utilities) Industry Sector focussing on RM | Risk Management Solutions for clients such as U.S. Department of Energy (DOE) | DOE Energy Dominance Financing (EDF) Program Generally Located In CONUS - Located In Washington, DC / Nationwide (Remote Project Support Across the United States) and across the District of Columbia / Nationwide (Remote Project Support Across the United States) - Independent Engineering Advisory Services are typically performed remotely and at project sites nationwide. An EDF-style Independent Engineering engagement could include:- Upstream Oil & Gas (Exploration and production | Reservoir development | Drilling programs)- Midstream (Pipelines | Compression facilities | LNG infrastructure | Storage terminals)- Downstream (Refineries | Petrochemical facilities | Processing plants)- Power & Utilities (Generation facilities | Transmission infrastructure | Grid modernization | Energy storage) Other Details Role supports NAICS 541330 Engineering Services for Energy Dominance Financing (EDF) Program/Loan Programs Office (LPO) energy infrastructure financing, with work performed for high-impact oil and gas, power, utilities, and infrastructure projects.
NewDevSecOps Engineer (TS/SCI Clearance Required) North Point TechnologyDevSecOps Engineer (TS/SCI Clearance Required)Washington, DCAdditional work includes designing encryption and data-protection strategies, architecting network security for classified environments, and supporting ATO processes - preparing SSP documentation, remediating POA&M items, and activating continuous monitoring - to maintain a strong security and compliance posture. The architect will design identity federation, CAC/PIV authentication, and least-privilege access models, and stand up security guardrails using Service Control Policies, AWS Config, and Security Hub within isolated regions.
NewSenior Security Engineer 1 Accord Consulting LLCSenior Security EngineerAnnapolis Junction, MDMust have one of the following DoD approved certifications to meet the category/level IAT-2 (DoD 8570) requirement for this position: Security+, GSEC, SSCP, CCNA-Security, CISA, CISSP (or Associate), CASP, GCIH, or GCED. Must have one of the following DoD approved certifications to meet the category/level IAT-2 (DD 8570) requirement for this position: Security+, GSEC, SSCP, CCNA-Security, CISA, CISSP (or Associate), CASP, GCIH, or GCED.
NewDevSecOps Engineer Occam SolutionsDevSecOps EngineerWashington, DCThe DevSecOps Engineer shall lead the implementation and execution of the technical requirements identified in PWS Section 4.5 – Technical Infrastructure and Platform Support , including infrastructure automation, Continuous Integration/Continuous Deployment (CI/CD), cloud security, container orchestration, Infrastructure-as-Code (IaC), and operational sustainment of the FedRAMP High and DoD Impact Level 5 (IL5) cloud environment. Experience configuring and administering cloud-native security capabilities including Web Application Firewalls (WAF), Intrusion Detection/Prevention Systems (IDS/IPS), Security Information and Event Management (SIEM), vulnerability management, and cloud security monitoring solutions.
NewSecurity Product Reverse Engineer (TS/SCI w POLY) Falls TechnologySecurity Product Reverse Engineer (TS/SCI w POLY)McLean, VAAbout the Role:** Join our team as a Security Product Reverse Engineer to analyze and audit security products, focusing on vulnerability research and code exploitation. - At least 5 years of hands-on experience with Computer Network Exploitation (CNE) development and testing against at least one of: Personal Security Products, Security Appliances, or Embedded OS security.
NewSenior Public Key Infrastructure (PKI) Engineer ZTI Solutions, LLCSenior Public Key Infrastructure (PKI) EngineerWashington, DCAutomate certificate lifecycle management (issuance, renewal, revocation, expiration monitoring, key rotation, reporting) using ACME, SCEP/EST, REST APIs, PowerShell, Python, Bash, Ansible, or Terraform. You will modernize CA infrastructure, automate certificate management at scale, support post-quantum cryptography transition planning, and help shape Zero Trust initiatives in mission-critical DoD environments.
NewSenior Cybersecurity Engineer LinTech GlobalSenior Cybersecurity EngineerWashington, DCJob Duties:The Senior Cybersecurity Engineer provides expert-level cybersecurity engineering support for:Enterprise architecture reviews Security design and implementation Cloud security engineering Zero Trust initiatives Security control implementation System modernization efforts Technical risk analysis Cybersecurity tool integration Security architecture governance The position serves as the principal technical authority supporting cybersecurity engineering activities across the DHS I&A environment. It is desirable for the Senior Cybersecurity Engineer to possess certification in other cloud computing platforms, including but not limited to Google, Microsoft Azure and Microsoft Office 365.Certification Requirements: AWS, CISSP, ScrumClearance Requirements: TS/SCI with CI PolygraphCompany DescriptionDexian Government Solutions is an award-winning, ISO 9001:2015 certified, business and GSA contract holder providing diversified Information Technology services to both Civilian and Defense agencies.
NewSecurity Engineer TekSynapSecurity EngineerRockville, MD$50–$60 / hourThe range displayed is an estimate only and is not a guarantee of compensation or salary, and will be determined on several factors regarding the individual’s particular combination of education, knowledge, skills, competencies and experience, as well as contract parameters and organizational requirements. “Technology moving at the speed of thought” embodies these principles – the need to nimbly utilize the best that information technology offers to meet the business needs of our Federal Government customers.
NewCortex XSIAM Security Engineer CELESTIAL INNOVATIONS GROUP LLCCortex XSIAM Security EngineerWashington, DCThe Cortex XSIAM Engineer will serve as a subject-matter expert (SME) throughout the full platform lifecycle: from requirements gathering and architecture design through deployment, integration, and continuous optimization — driving measurable improvements in threat detection and incident response times for our government and commercial clients. This role is at the center of CIG's AI-driven Security Operations practice, enabling clients to modernize their SOC by consolidating SIEM, XDR, SOAR, UEBA, ASM, and TIP capabilities into a single, converged platform.
NewMid Systems Engineer, PAM (CyberArk) Eliassen GroupMid Systems Engineer, PAM (CyberArk)Washington, DC$100–$125 / hourExperience Requirements: Minimum 10 years of related experience delivering business solutions engineering, including architecture, engineering design, proof of concept, pilots, analysis, and documentation. For nearly 40 years, we have combined exceptional people, deep domain expertise, and intelligent capabilities to expand our clients’ capacity and accelerate meaningful outcomes.
NewSenior IAM Engineer SpaceXAISenior IAM EngineerWashington, DC$100,000–$258,000 / yearAs a Senior IAM Engineer, you will serve as a key subject matter expert (SME) within the broader Information Security organization, driving secure, scalable, and user-friendly identity solutions in a fast-paced, high-growth environment. You will own complex IAM initiatives end-to-end — from strategy and architecture to implementation and optimization — while collaborating closely with Security, Infrastructure, Application, and Engineering teams.