Senior Systems Analyst MANTECHSenior Systems AnalystArlington, VAExperience with Microsoft Windows Systems, specifically: Microsoft Windows 2008/2012/2016/2019 Servers; Microsoft Windows 10; administering Microsoft Exchange, Active Directory, and workstation and server hardware; administering Microsoft Office 2010/2016; administering DNS, Group Policy, and PKI; administering vSphere, Horizon View, data backup, and antivirus software; basic networking including DHCP/TCPIP. Providing Tier II IT Systems support on a wide range of technologies, including VMware vCenter, Horizon View, Site Recovery Manager, SolarWinds, Cisco Catalyst Center (DNAC), GEMOne, HP SANs, Certificate Services, DHCP, DNS, Active Directory, Group Policies and Microsoft Windows Operating Systems.
NewJunior Software Systems Integration Engineer - RHEL - Secret Clearance Required JobotJunior Software Systems Integration Engineer - RHEL - Secret Clearance RequiredManassas, VA$90,000–$115,000 / 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. Integrating and testing software deliveries, verifying bug fixes, and performing regression testing across multiple hardware and operating system configurations.
Risk and Compliance Systems Analyst System OneRisk and Compliance Systems AnalystVienna, VAWe are looking for an Oracle ERP Fusion security and controls analyst who manages user access, monitors Oracle Risk Management Cloud (RMC) compliance issues, supports audits, documents processes, tests system changes, and coordinates with Finance, HR, Procurement, and IT teams to keep the ERP environment secure and compliant. The ideal candidate will work across Finance, Procurement, HR, and Technology teams to strengthen security controls, support audits and ICFR compliance, improve processes, conduct testing (SIT/UAT), and drive operational improvements using automation and AI tools like Microsoft Copilot.
Network Based Systems Analyst - III Base One TechnologyNetwork Based Systems Analyst - IIIArlington, VA$100,000–$140,000 / yearContractorProvides remote and onsite advanced technical assistance, proactive hunting, rapid onsite incident response, and immediate investigation and resolution using host-based, network-based and cloud-based cybersecurity analysis capabilities. Team personnel provide front line response for digital forensics/incident response (DFIR) and proactively hunting for malicious cyber activity.
Host Based Systems Analyst Base One TechnologyHost Based Systems AnalystArlington, VA$115,000–$145,000 / yearContractorFull timeProvides Agency’s front line response for cyber incidents and proactively hunting for malicious cyber activity.
Federal Financial Management System Savantage SolutionsFederal Financial Management SystemWashington, DC$135,000–$165,000 / yearYou will operate at the intersection of federal financial accounting and modern low-code/AI tooling, independently building reports and queries, validating financial data, and supporting agency stakeholders without routing every request through senior technical staff. This is a growth-track role built for an early-career accounting professional ready to move beyond traditional financial operations into AI-assisted research, self-service data analysis, and citizen development.
Junior Linux Systems Engineer (RHEL/Clearance) JobotJunior Linux Systems Engineer (RHEL/Clearance)Manassas, VA$80,000–$100,000 / 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. Integrating and testing software deliveries, verifying bug fixes, and performing regression testing across multiple hardware and operating system configurations.
NewSpecialist, Systems Engineering - Space Intelligence Analyst L3Harris TechnologiesSpecialist, Systems Engineering - Space Intelligence AnalystSpringfield, VA$92,500–$171,500 / yearSupport intelligence collection and analysis requests through systems such as the Space Collection Working Group, SOCC Sensor Collection Request, National MASINT Requirements System (NMRS), COLISEUM, or other validated request mechanisms. • Generate and deliver a daily intelligence and Operations Summary briefing that includes situational updates, national security priorities, counterspace activity, foreign launch analysis, adversary weapons characterization, and geospatial intelligence insights.
Sr. Systems Development Engineer , Secure Connection Services (SCS), Tactical Edge Mission Engineering Group (TEMEG) Amazon Development Center U.S., Inc.Sr. Systems Development Engineer , Secure Connection Services (SCS), Tactical Edge Mission Engineering Group (TEMEG)Herndon, VAWe're looking for systems engineers who can synthesize complex operational and compliance requirements into clear infrastructure strategies, move fast with high judgment, and continuously raise the bar for what's possible in some of the world's most demanding environments. - Architect, deliver, and operate large-scale infrastructure automation and deployment pipelines for ADC environments with a focus on security, availability, and repeatability, repeatability, observability, and fault tolerance.
NewLead, Systems Engineer - Mission Protection L3Harris TechnologiesLead, Systems Engineer - Mission ProtectionSpringfield, VA$127,500–$236,500 / yearThe ideal candidate demonstrates strong leadership, technical depth in threat-informed engineering, and the ability to integrate Mission Protection requirements into operational planning, system architecture, and lifecycle activities. The selected candidate will apply operational security (OPSEC), counterintelligence, cyber defense, and threat analysis principles to protect critical systems and ensure the survivability and resilience of U.S. assets in contested and degraded environments.
NewSenior Specialist, Information Security Systems Engineering L3Harris TechnologiesSenior Specialist, Information Security Systems EngineeringChantilly, VA$106,500–$196,500 / yearAssist in systems/software engineering functions, to include creation of data flow diagrams, interface control documents, perform trade studies, and Static Application Security Testing (SAST) for Application Security and Development Secure Technical Implementation Guide (STIG) compliance using tools such as Fortify/Coverity and Gitlab as part of a DevSecOps Continuous Integration/Continuous Deployment (CI/CD) Pipeline, and generation of summary reports. Perform skills in implementing/assessing security controls, to include writing system security categorization memorandum, recommending appropriate security control overlays, define security control baseline based on defined system security categorization and approved security overlays, and apply security controls to computing/network nodes and verify implementation of security controls.
NewSpecialist, Systems Engineer - Watch Officer L3Harris TechnologiesSpecialist, Systems Engineer - Watch OfficerSpringfield, VA$92,500–$171,500 / yearActively participate in daily operations stand-up meetings to provide updates on ongoing activities, highlight key operational priorities, and address any challenges or risks impacting mission success. Possess knowledge of, or experience with, space operations, including managing and monitoring satellite systems, performing telemetry analysis, and conducting mission-critical activities such as orbital adjustments, payload operations, and anomaly resolution.
System Engineer JobotSystem EngineerAlexandria, VA$95,000–$110,000 / 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. We are a leading provider of intelligent transportation and mobility solutions, delivering innovative software, systems, and services that help organizations manage complex transportation infrastructure more efficiently, safely, and sustainably.
Security Systems Technician II Active Security Consulting LLCSecurity Systems Technician IIDulles, VAThe Security Systems Technician II can operate independently, bringing several years of experience to the field with the ability to perform installations, maintenance, troubleshoot complex issues, lead smaller projects, and assist in training junior technicians. Active Security designs, develops, implements, and sustains advanced C5ISR and security solutions to enhance defense and mission capabilities, addressing threats across physical, electronic, cyber, and communications security for commercial and U.S. Government clients.
NewSenior Specialist, Systems Engineering - Joint Exercise Planner L3Harris TechnologiesSenior Specialist, Systems Engineering - Joint Exercise PlannerSpringfield, VA$106,500–$197,500 / yearL3Harris Technologies has an opening for a Joint Exercise Planner that will support the National Reconnaissance Office (NRO) by developing and executing exercises that validate operational readiness, refine tactics, techniques, and procedures (TTPs), and integrate space and ground equities into joint, interagency, and coalition space events. The planner will work closely with space mission partners, the National Space Defense Center (NSDC), and various Combatant Commands to design realistic scenarios that stress capabilities and improve the resilience of national space systems.
NewIT - Systems Engineer II PlanIT GroupIT - Systems Engineer IIWashington, DCThe selected candidate needs to have the necessary skills to provide technical assistance at the customer's physical premises to install, move, troubleshoot, repair, modify, and assist with any issue that may arise with telecommunications and related equipment, wiring, circuits, connections, as well as supporting networking and telephone/data communication services. Responsibilities: Overseeing the day-to-day activities related to installation, verification and maintenance of telecommunications equipment, network ports, ethernet and optical Fiber cabling, IP networks.
NewBuilding Systems Engineer HITT ContractingBuilding Systems EngineerFalls Church, VA$37.02–$53.85 / hourAs a critical member of our Facilities Team, the Building Systems Engineer, Senior Associate is responsible for the operation, maintenance, and repair of Net Zero building systems, including mechanical, electrical, plumbing, life safety, and building automation systems. Conducts routine building walk-throughs to assess system performance, document equipment condition, identify energy inefficiencies, and report deficiencies requiring corrective action that could impact energy use or NZE performance targets.
Lead Systems Engineer - AWS Cloud System OneLead Systems Engineer - AWS CloudReston, VA$109.05 / hourMentor junior and senior team members, install, tune, upgrade, troubleshoot, and maintain all relevant computer systems including OS administration, user management, and networking. Implement risk and opportunity management plans, assess risks, develop mitigation and disaster recovery plans, and oversee engineering project planning and execution.
Systems Administration (Operations Support Specialist) ARCTICOM LLCSystems Administration (Operations Support Specialist)Quantico, VAArcticom, LLC provides network and systems administration, enterprise architecture and resource planning, certification and accreditation, software design, programming, maintenance of telecommunications and land mobile radio equipment and systems, help desk support and IT transformation services among other services. Essential and marginal functions may require maintaining physical condition necessary for bending, stooping, sitting, walking or standing for prolonged periods of time; most of time is spent sitting in a comfortable position with frequent opportunity to move about.
Senior Systems Architect System OneSenior Systems ArchitectMS, Maryland$50–$70 / hourResponsibilities Support a specialized enterprise architecture team in designing, developing, and evaluating proof-of-concept (PoC) solutions that enhance enterprise architecture artifacts, automation, and business process models. Produce and deliver high-quality documentation, briefings, and analytical products using Microsoft Office applications to support the USTRANSCOM Enterprise Architecture team.
IT Cybersecurity Analyst U.S. Department of StateIT Cybersecurity AnalystMclean, VA$143,913–$187,093Full timeCustomer Service - The incumbent works with clients and customers to assess their needs, provide information and assistance by resolving their problems and satisfying their expectations and knows about available products and services while providing excellent customer service. Open and Close Dates: Jun 24, 2026 - Jul 13, 2026 Marketing Statement: Summary: This position is located within the Office of the Chief Technology Officer(CTO), Office of the Executive Director(EX), Bureau of Diplomatic Security(DS).
TIER III Analyst Foxhole TechnologyTIER III AnalystFt. Meade, MD$100,000–$120,000 / yearRequirements of position: Think analytically, effective verbal and written communication skills, make decisions, observe/remember details, interpret data, concentrate on tasks, adjust to change, handle stress/emotions. Our talented employee-owners provide agile, scalable services and solutions that solve operational gaps, operate critical systems, and protect and secure the enterprise – across the organization and around the world .
System/DevSecOps Engineer NuAxis InnovationsSystem/DevSecOps EngineerWashington DC, DCThis role collaborates with Product Owners, Federal Project Managers (FPMs), Business Analysts, Solution Architects, UX/UI Designers, QA Engineers, and DevSecOps teams to deliver end-to-end solutions across the full software development lifecycle. The Senior Full Stack Developer is responsible for designing, developing, integrating, and supporting secure, scalable, and high-performing enterprise web applications using modern cloud-native technologies.
Sr. Exchange Online (EXO) Administrator (Systems Engineer) System OneSr. Exchange Online (EXO) Administrator (Systems Engineer)Washington, DCManage and maintain our hybrid Exchange environment, including on-premises Exchange Server and Exchange Online (Microsoft 365). • Implement anti-spam, anti-malware, and threat protection using Microsoft Defender for Office 365.
Senior Cloud Systems Administrator -AZURE - ACTIVE SECRET ASD GLOBALSenior Cloud Systems Administrator -AZURE - ACTIVE SECRETWashington, DC$75–$82 / hourContractorAddress all vulnerabilities identified via system scanningQUALIFICATIONS: Education: • Technical Training, Certification(s) or Degree, or equivalent experience. admin tasks (provisioning new servers, configuring roles/features, or backing up.
Systems Engineer LeidosSystems EngineerRockville, MD$87,100–$157,450If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. April 28, 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.
Senior Systems Engineer LeidosSenior Systems EngineerLaurel, MD$131,300–$237,350This may include decomposing features into workable stories, prioritizing or reprioritizing items in the backlog for upcoming sprints, refining acceptance criteria and complexity estimates or removing tickets that are no longer relevant. Leidos has an exciting opening for you, as our next TS/SCI cleared Senior Systems Engineer, to play a critical role with design, engineering, development and deployment of software supporting the DIA-NMEC (National Media Exploitation Center) DOMEX Technology Platform (DTP).
NewVertical Transportation Systems Program Manager (Construction/Maintenance Project Manager II) Fairfax County GovernmentVertical Transportation Systems Program Manager (Construction/Maintenance Project Manager II)Fairfax, VA3 years proven experience operating at a senior management level, interacting, strategizing, and presenting VTS metrics, code requirements and implications, VTS programs, and technical repair and capital project information to executive leadership and elected/appointed officials. PREFERRED QUALIFICATIONS: 7 years of experience as the VTS technical subject matter expert, leading field associates and/or supervisors in performing Vertical Transportation System maintenance, repair, and capital renewal functions and managing a large portfolio of complex VTS.
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.
Senior Model Based Systems Engineer LeidosSenior Model Based Systems EngineerWoodbridge, VA$107,900–$195,050Bachelor’s degree in engineering or related field with 8+ years of prior relevant experience or a master’s degree with 6+ years of experience in one of these areas: systems engineering, software engineering, test engineering or related field. Your role will directly support our diverse portfolio of programs through a combination of requirements and design architecture analysis; MBSE Model development; mentoring junior engineers and assisting technical leadership develop briefing material.
NewComputer Systems Engineer - Pega Resource LeidosComputer Systems Engineer - Pega ResourceWashington, DC$107,900–$195,050The ideal resource will be working as part of a technical support team that designs, builds, maintains and supports the enterprise PEGA infrastructure, reviews, tests and implements patches and upgrades, while developing and maintaining complete and accurate documentation for supported environments. Bachelor's Degree Bachelor's Degree in Computer Science, Mathematics, Engineering, or a related field and 8+ years of relevant experience or a Master’s Degree in Computer Science, Mathematics, Engineering, or a related field and 6 years of relevant experience.
NewSenior Radiation Analysis Engineer DraperSenior Radiation Analysis EngineerReston, VADesign harden and verify the performance of systems across multiple radiation effects, including dose rate, total ionizing dose (TID), neutron displacement damage (NDD), and single event effects (SEE). The Contested Environment System Analysis group is seeking a Senior-level Radiation Analysis Engineer to support cross-disciplinary teams to solve complex system architecture, requirements, and analysis challenges driven by radiation environments.
Lead Systems Integration Engineer LeidosLead Systems Integration EngineerGlenwood, MD$87,100–$157,450TFDM program is a Federal Aviation Administration’s (FAA) NextGen program based on airport surface management provides that efficiencies for both the airport surface and terminal airspace by providing a new and comprehensive integrated surface traffic control and management system. June 3, 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.
Lead Systems Engineer LeidosLead Systems EngineerBurke, VA$107,900–$195,050If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. June 22, 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.
Enterprise Architect/Systems Engineer LeidosEnterprise Architect/Systems EngineerBethesda, MD$131,300–$237,350Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
Research Scientist – Value-based payment (VBP) and delivery system transformation - Chicago, Washington DC or Remote NORC at the University of ChicagoResearch Scientist – Value-based payment (VBP) and delivery system transformation - Chicago, Washington DC or RemoteWashington, D.C.Remote$106,000–$130,000 / yearOur expert team includes social scientists that acquire, collect, and analyze data from health care organizations and patients; evaluators; health services researchers; health-policy analysts; and professionals with first-hand experience running and supporting health care programs. The successful candidate will support projects such as analyzing Medicare and Medicaid policy changes, informing program design and operations, and helping clients understand how payment structures, incentives, and performance measurement drive cost, quality, and access outcomes.
Financial Data Analyst Calibre SystemsFinancial Data AnalystAlexandria, VACALIBRE is an employee-owned mission-focused solutions and digital transformation company, is seeking a Financial Data Analyst, who will support all missions of the National Guard Bureau (NGB) Comptroller. · Three to six years of experience supporting comptroller functions within the senior defense organizations in the Pentagon (Services, Reserve Components, Joint Staff, NGB, OSW).
NewService Center Analyst NuAxis InnovationsService Center AnalystSterling, VAExposure to Microsoft Intune (Endpoint Manager) in a Tier 1 support capacity, including basic device enrollment support and assisting users with access or connectivity issues. This role is ideal for a customer-focused IT professional who thrives in a fast-paced environment, takes ownership of issues end-to-end, and is committed to meeting service-level agreements (SLAs).
Electrical Commissioning Engineer JobotElectrical Commissioning EngineerWashington, DC$90,000–$120,000 / 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. Our practical approach addresses our clients' complex energy needs, maximizing savings and return on investment while minimizing environmental impact across all served markets.
NewSr Business Analyst, Military Projects CMA CGM (America) LLCSr Business Analyst, Military ProjectsArlington, VA$83,000–$106,000 / yearThe Senior Analyst works alongside the Director and supports the Control Tower for U.S. Militaryshipments across the APL and CMA CGM network, coordinating closely with Trade, CargoFlow, Customer Service,Agency teams, and U.S. Military stakeholders to ensure operational readiness, pricing competitiveness, and service excellence. As the U.S. maritime industry enters a new era of innovation and revitalization, APL is leading the way with bold investments designed to strengthen domestic capabilities and shape the future of American shipping.
Senior IT Risk and Compliance Analyst NORC at the University of ChicagoSenior IT Risk and Compliance AnalystWashington, D.C.$97,000–$120,000 / yearWith world-class benefits, a business casual environment, and an emphasis on continuous learning, NORC is a place where people join for the stellar research and analysis work for which we’re known, and stay for the relationships they form with their colleagues who take pride in the impact their work is making on a global scale. Experience conducting incident response across vendors, internal stakeholders, and program owners, including implementing, and coordinating the response plan, overseeing the technical response, and coordinating with legal, technical, and communications teams.
NewFull Stack Developer System OneFull Stack DeveloperVienna, VAFacilitate user acceptance testing to include developing and executing test cases, test criteria, scenarios, and communication with project teams; ensure acceptance of delivered solutions; validate and document results. • Partner with project teams to plan, coordinate and roll out software change/release to Controlled Testing and Production; obtain required approvals and transition project to production.
Cybersecurity Analyst DCS CorporationCybersecurity AnalystFort Belvoir, VAImplements the Defense (DOD) Risk Management Framework (RMF) and assists the Information System Security Manager (ISSM) to ensure successful implementation of associated security controls and reviews all RMF documentation packages, and system fielding, operations, or upgrade requirements. Assists with implementing audit measures to ensure compliance with regulatory requirements, participate in organizational inspections and surveys of computer systems, provide inspection results, and assess the adequacy of corrective actions taken.
NewInformation Assurance Policy Analyst MANTECHInformation Assurance Policy AnalystArlington, VAProven track record of evaluating complex policy authorities, resolving cross-domain security and logistical disputes, and driving interagency consensus to modernize classified infrastructure (such as CIaaS) across government agencies and the Defense Industrial Base (DIB). Leverage dual-hatted experience as an Information Systems Security Manager (ISSM) and Special Security Officer/Program Security Officer (SSO/PSO) to interpret and navigate complex physical, personnel, information, and industrial security regulations.
NewBusiness Analyst/Power BI Developer System OneBusiness Analyst/Power BI DeveloperVienna, VASuccess is measured by the ability to transform complex risk data into meaningful dashboards, KRIs (Key Risk Indicators), scorecards, and executive reports that help leadership monitor operational, technology, cybersecurity, and compliance risks. The ideal candidate can gather requirements, understand risk processes, build data models, write DAX and SQL, ensure data quality, and communicate insights to both technical and non-technical stakeholders.
Network Analyst MANTECHNetwork AnalystQuantico, VAMANTECH seeks a motivated, career and customer-oriented Network Analyst to join our team USMC Team in Stafford, VA to analyze and evaluate foreign network systems, such as local area networks (LAN), wide area networks (WAN), internet, intranet, satellite, and other data communications systems. Assess and identify significant risk characteristics of the foreign network systems such as classification of network, baseline activity, architecture, operating system, services, connectivity and bandwidth.
NewBusiness Analyst CredenceBusiness AnalystMcLean, VA$11,000–$130,000Credence has an immediate opening for a Business Analyst who will be primarily responsible for supporting the Defense Logistics Agency, Defense Automated Addressing Systems, Digital Transformation program. Work closely with cross-functional teams to meet project deadlines and deliver software solutions that meet or exceed client expectations.
NewSenior Data Scientist (AI) System OneSenior Data Scientist (AI)Washington, DCRemoteThe Federal Reserve Board's Division of Consumer and Community Affairs (DCCA) is establishing an AI Lab to explore and implement generative AI and machine learning solutions that enhance staff productivity, improve analytical capabilities, and strengthen the Division's work in consumer protection and community development. • Build, deploy, and maintain AI/ML models and applications in cloud environments (AWS, Kubernetes, or internal analytics platforms), working collaboratively with AI Cloud Engineers when available or independently managing end-to-end deployment.
NewCyber Security Analyst MANTECHCyber Security AnalystChantilly, VAExperience with one or more of the following: SIEM systems, network security tools, log analysis tools, cybersecurity principles, incident detection, analysis, and response methodologies, operating systems, network protocols, and security technologies. Bachelor’s Degree and 2+ years of experience in Cybersecurity, Information Technology, Computer Science, or other relevant technical field; experience can be any combination professional experience, internships, lab work or coursework.
Product Analyst System OneProduct AnalystVienna, VASystem One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. • Bachelor's degree in Business Administration, Information Technology, Computer Science, or related field-or equivalent combination of education and experience.