Electrical Engineer (Data Centers) JobotElectrical Engineer (Data Centers)New York, NY$125,000–$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. With experience spanning Mission Critical Facilities, Data Center, Healthcare, and Research & Technology, we are constantly evolving with the latest advancements to deliver forward-thinking solutions and a strong commitment to client services.
Mechanical Engineer (Data Centers) JobotMechanical Engineer (Data Centers)New York, NY$110,000–$155,000 / yearThis role involves full-cycle project work, including existing conditions assessments, design development, production of construction documents, and construction administration for complex facilities such as Data Centers, Critical Infrastructure Buildings, and Mission Critical Healthcare Facilities. Information 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.
Windows Systems Engineer Page GroupWindows Systems EngineerNew York, NY$200,000–$250,000 / yearFull timeAs a Windows Systems Engineer, you will play a key role in maintaining and optimizing the technology infrastructure for a retail-focused organization. The company is known for its focus on leveraging advanced technology to enhance operational efficiency and deliver exceptional value to its customers.
Sr Commissioning Engineer (Data Centers) – Remote JobotSr Commissioning Engineer (Data Centers) – RemoteSecaucus, NJRemote$120,000–$165,000 / yearSuccessful candidates will have experience in Electrical Systems & Equipment with a focus in Data Centers and Mission Critical Facilities; experience and an understanding of Building MEP Systems Design, Construction, and Commissioning of Critical Systems ranging in size, rating, and complexity; Commissioning, Testing and Troubleshooting of Electrical Systems and related controls. Knowledgeable with common mechanical, and controls-related building equipment, including: Engine generators / Uninterruptible power supplies & battery systems / Medium and low-voltage electrical switchgear/ PLC controls and sequences of operations / Automatic transfer switches / Static transfer switches / Power distribution units / Busways.
Mobile Applications Engineer Canfield Scientific, Inc.Mobile Applications EngineerParsippany-Troy Hills, NJ$65,000–$85,000 / yearFull timeWe are looking for a Mobile Applications Engineer to support our mobile app suite of products and develop automation tools to ensure quality control on high end medical mobile applications. The ideal candidate will perform thorough mobile application usability tests and develop a scalable automated test suite to leverage against our offerings.
Commercial Building Engineer Building and Land TechnologyCommercial Building EngineerStamford, CTMaintain and repair air and water distribution systems, including air handlers, fans and motors, VAV systems, pumps, chilled and condenser water systems, heating and hot water systems, supplemental heating and cooling equipment, and domestic water and sanitary systems. The ideal candidate is hands-on, mechanically inclined, customer service oriented, and experienced in commercial building maintenance, HVAC systems, and preventative maintenance operations.
NewPr. Software Engineer (Algo Trading System, Java) Kforce Inc.Pr. Software Engineer (Algo Trading System, Java)Jersey City, NJ$325,000–$375,000Kforce's client, a leading financial firm in Jersey City, NJ, is seeking a Principal Software Engineer (Algorithmic Trading System, Java) to play a key role in building a world-class trading system in an innovation-driven environment. Summary: As a Principal Software Engineer (Algorithmic Trading System, Java), you will work closely with industry experts, deepen your technical expertise, and deliver complex, high-performance systems used globally.
Chief Engineer - Commercial Building and Land TechnologyChief Engineer - CommercialStamford, CTThe Chief Engineer oversees a team of 5–10 engineering and maintenance professionals and serves as the primary technical resource for all building infrastructure, including HVAC, electrical, plumbing, life safety, building automation, and critical support systems. This position provides strategic and hands-on leadership for all building engineering operations, ensuring the highest levels of system reliability, operational efficiency, life safety compliance, and tenant satisfaction.
Senior Traffic Engineer The LiRo GroupSenior Traffic EngineerEdison, NJ$140,000–$170,000 / yearRecently, Global Infrastructure Solutions Inc. (GISI), the parent company of The LiRo Group and Hill International, Inc. consolidated a portion of the highly experienced staff of both LiRo and Hill in the Northeast to create a larger, more efficient, and cost-effective team to serve clients. We are looking for an experienced traffic professional who is interested in helping grow a practice — someone who can lead technical efforts, contribute to pursuit strategy, mentor staff, and collaborate across disciplines and office locations to deliver integrated and constructible transportation solutions.
Senior Electrical Engineer The LiRo GroupSenior Electrical EngineerSyosset, NY$120,000–$160,000 / yearRecently, Global Infrastructure Solutions Inc. (GISI), the parent company of The LiRo Group and Hill International, Inc. consolidated a portion of the highly experienced staff of both LiRo and Hill in the Northeast to create a larger, more efficient, and cost-effective team to serve clients. We work hard to build a corporate culture that empowers all our employees to freely share their ideas, know their presence, and contributions are truly valued, fostering a climate where our employees are enabled to maximize their full potential.
Senior AI Engineer JobotSenior AI EngineerNew York, NY$225,000–$280,000 / 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. The product sits at the intersection of AI, automation, and real world impact, using LLMs and agentic systems to replace hours or weeks of manual work with intelligent, scalable software.
Sr. AI Software Engineer (C#/.Net, infrastructure & startup exp. req'd) - 100% REMOTE JobotSr. AI Software Engineer (C#/.Net, infrastructure & startup exp. req'd) - 100% REMOTENew York City, NYRemote$170,000–$270,000 / yearThe ideal candidate will be mid-level backend .Net Software Engineer with recent experience within a small, fast-paced, API-focused AI infrastructure startup company with lean, highly collaborative engineering teams, where they have operated with significant ownership, autonomy, and a strong “go-getter” mentality. Information 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.
NewHotel Engineer II Marriott International, IncHotel Engineer IINewark, NJ$36.72–$38.65Troubleshoot and perform basic repair on all types of equipment (e.g., pump and motor replacement), plumbing (e.g., plunge toilets and unclog drains), electrical equipment including lamps, cosmetic items, extension cords, vacuum cleaners, internet devices, replace electrical switches and outlets, and other guestroom items. Display proficiency in any one of the following categories, above average skills in two more of the following categories and basic skills in the remaining categories: air conditioning and refrigeration, electrical, mechanical, plumbing, pneumatic/electronic systems and controls, carpentry and finish skills, kitchen equipment, vehicles, energy conservation, and/or general building management.
Solution Engineer Quantexa Brains Workgroup, Inc.Solution Engineer QuantexaNew York, NY$140,000–$160,000 / yearFull timeIn this role you will support the end-to-end delivery of transaction monitoring solutions on the Quantexa platform by translating business needs into scalable, secure, and high-performing data and analytics solutions. Support integration with enterprise systems (data sources, APIs, messaging, identity, and security) by helping define interface requirements, validating assumptions, and assisting with performance, scalability, and resilience analysis.
NewNetwork Security Engineer ECLARONetwork Security Engineernew york, NY$80–$90 / hourBrings deep technical expertise in ForeScout and thrives in a complex, compliance-driven healthcare environment where uptime and patient data protection are paramount. Manage and maintain next-generation firewall infrastructure (Palo Alto Networks preferred), including rule lifecycle management and threat prevention policy tuning.
NewMaintenance Engineer II Marriott International, IncMaintenance Engineer IINewark, NJ$36.72–$38.65Troubleshoot and perform basic repair on all types of equipment (e.g., pump and motor replacement), plumbing (e.g., plunge toilets and unclog drains), electrical equipment including lamps, cosmetic items, extension cords, vacuum cleaners, internet devices, replace electrical switches and outlets, and other guestroom items. Display proficiency in any one of the following categories, above average skills in two more of the following categories and basic skills in the remaining categories: air conditioning and refrigeration, electrical, mechanical, plumbing, pneumatic/electronic systems and controls, carpentry and finish skills, kitchen equipment, vehicles, energy conservation, and/or general building management.
NewEngineer II Marriott International, IncEngineer IINewark, NJ$36.72–$38.65Troubleshoot and perform basic repair on all types of equipment (e.g., pump and motor replacement), plumbing (e.g., plunge toilets and unclog drains), electrical equipment including lamps, cosmetic items, extension cords, vacuum cleaners, internet devices, replace electrical switches and outlets, and other guestroom items. Display proficiency in any one of the following categories, above average skills in two more of the following categories and basic skills in the remaining categories: air conditioning and refrigeration, electrical, mechanical, plumbing, pneumatic/electronic systems and controls, carpentry and finish skills, kitchen equipment, vehicles, energy conservation, and/or general building management.
Network Engineer - AVP BarclaysNetwork Engineer - AVPWhippany, NJTo be successful as a Network Engineer - AVP, you should have experience with: Hands-on experience designing, deploying, and operating network security solutions across one or more domains: firewalls, IDS/IPS, proxy services, remote access, NAC, and network segmentation. Production Network Engineering operates within the Network Product Design & Engineering domain and is responsible for the design, build, and run of strategic network infrastructure platforms and connectivity services.
Enterprise Application Engineer Perennial ResourcesEnterprise Application EngineerHackensack, NJFull timeThis role partners closely with business stakeholders to ensure stability, performance, and continuous improvement of enterprise systems. Seeking an Enterprise Application Engineer to support and enhance the firm's critical application ecosystem.
Senior Network Engineer STAND 8Senior Network EngineerNew York, NY$192,000–$2,160,000 / yearFull timeSTAND 8 provides end to end IT solutions to enterprise partners across the United States and with offices in Los Angeles, New York, New Jersey, Atlanta, and more including internationally in Mexico and India. STAND 8 provides end-to-end IT solutions to enterprise partners across the United States and globally with offices in Los Angeles, Atlanta, New York, Mexico, Japan, India, and more.
Windows Engineer Brains Workgroup, Inc.Windows EngineerNew York, NY$170,000–$185,000 / yearFull timeIn this role, you will be responsible for technical leadership, architecture-level decision making, and delivery of complex messaging and infrastructure initiatives in a large, regulated enterprise environment. Our client, a major bank in New York City, is looking for Senior Windows Engineer who has strong M365, Exchange (Online and On-Premises).
Senior Site Reliability Engineer - AVP - Credit Trade Floor BarclaysSenior Site Reliability Engineer - AVP - Credit Trade FloorNew York, NYTo be successful as a Senior Site Reliability Engineer - AVP - Credit Trade Floor, you should have: Demonstrated ability to manage incidents effectively, including rapid troubleshooting, solution-oriented stakeholder communication, and conducting root cause analysis (RCA) to prevent recurrence. Analysis of system logs, error messages and user reports to identify the root causes of hardware, software and network issues, and providing a resolution to these issues by fixing or replacing faulty hardware components, reinstalling software, or applying configuration changes.
NewFull Stack Automation Engineer ECLAROFull Stack Automation EngineerNew York, NY$87–$92 / hourIn this forward-deployed role, you will work directly with client engineering teams to transform fragmented infrastructure into secure, observable, AI-augmented, and fully automated software delivery and operations ecosystems. Position Overview: A battle-tested Full Stack Automation Engineer Consultant to lead the design, implementation, and optimization of modern DevOps platforms for enterprise clients.
Senior Electrical Engineer P Chappel AssociatesSenior Electrical EngineerWoodcliff Lake, NJ$140,000–$200,000 / yearFull timeThe successful candidate will play an important role in the design and development of advanced electronic systems while contributing to the growth and technical excellence of the engineering organization. An outstanding technology company in Northern New Jersey is seeking a Senior Electrical Engineer to join its growing engineering team.
Specialty Software Engineer 3 - Contingent Pinnacle Technical ResourcesSpecialty Software Engineer 3 - ContingentIselin,, New JerseyContractorWe are seeking a Lead Protocol Engineer to help build a cutting-edge Digital Asset Platform focused on solving one of the biggest challenges in institutional finance—delivering regulatory compliance while preserving transaction confidentiality. This role sits at the intersection of cryptography, blockchain infrastructure, and high-performance distributed systems, offering the opportunity to design and develop core protocol components from the ground up.
Industrial Sales Engineer (Power Generation Equipment) Kinsley GroupIndustrial Sales Engineer (Power Generation Equipment)Manhattan, NY$85,000–$130,000 / yearThe Industrial Sales Engineer's main objective is to sell industrial power generation applications including related equipment (transfer switches, switchgear, load banks, fuel tanks, etc.) to end-users, engineers, electrical contractors, municipalities, government applications and OEMs, among others. Understands the company's complete suite of products and services and identifies and hands-off cross-selling opportunities to other business verticals: residential equipment, rental agreements, prime power equipment, service contract sales.
SRE Engineer Pinnacle Technical ResourcesSRE EngineerJersey City,, New Jersey$60–$65 / hourContractorWorking proficiency in a portion of software engineering disciplines and demonstrates understanding of overall software skills including business analysis, development, testing, deployment, maintenance and improvement of software. Familiarity with observability practices such as white and black box monitoring, service level objective alerting, and telemetry collection using tools like Grafana, Dynatrace, Prometheus, Datadog and Splunk.
NewNetwork / Cloud Engineer Kforce Inc.Network / Cloud EngineerLong Island City, NY$63–$68Kforce has a client in Long Island City, NY that is seeking a Network/Cloud Engineer to support the design, implementation, administration, and optimization of enterprise network and cloud connectivity solutions. This role will be responsible for maintaining secure, scalable, and high-performing network environments across on-premises and cloud platforms while supporting ongoing infrastructure initiatives and operational excellence.
NewSoftware Engineer ECLAROSoftware EngineerNew York, NYTo keep up, we need senior-level engineers who can move quickly while maintaining high quality, owning complex backend systems while shaping product features that deliver real value. Their solutions help businesses streamline operations, reduce complexity, and deliver real impact.
Oracle Database Engineer Epitec, IncOracle Database EngineerBerkeley Heights, NJ$50–$70 / hourWorks closely with clients, business analysts, systems programmers, and application developers to define and resolve information flow and content issues---helping to transform business requirements into environment specific databases. • Experience monitoring and analysis of performance metrics and allocation of database resources to achieve optimum database performance.
Staff AI Engineer Grafana LabsStaff AI EngineerNew York, NYRemote$174,986–$209,983 / yearYou’ll define the technical direction for the automation platform (data models, API contracts, shared libraries, reference architectures) and partner with Data Engineering, GTM Systems, and Field Operations to build scalable, self-service automation that eliminates manual work and drives operational efficiency. Today, more than 35 million users and 7,000+ customers – including Anthropic, Bloomberg, NVIDIA, Microsoft, and Salesforce – trust Grafana Labs to ensure reliability of their applications and systems, resolve incidents quickly, and optimize their telemetry to reduce noise and cost.
Senior AI Engineer Grafana LabsSenior AI EngineerNew York, NYRemote$154,445–$185,334 / yearYou’ll define the technical direction for the automation platform (data models, API contracts, shared libraries, reference architectures) and partner with Data Engineering, GTM Systems, and Field Operations to build scalable, self-service automation that eliminates manual work and drives operational efficiency. Today, more than 35 million users and 7,000+ customers – including Anthropic, Bloomberg, NVIDIA, Microsoft, and Salesforce – trust Grafana Labs to ensure reliability of their applications and systems, resolve incidents quickly, and optimize their telemetry to reduce noise and cost.
NewStaff Software Engineer, Fullstack CLEAR (clearme.com)Staff Software Engineer, FullstackNew York, NY$325,000–$500,000 / yearAs a Staff Software Engineer, youll own complex technical problems from design through deployment, partnering closely with Product, Design, Security, and Operations to deliver reliable, scalable solutions. Located in New York City, our Headquarters offers close collaboration with and access to a hands-on senior leadership team, a bright and energetic space with an open concept, and plenty of conference rooms and casual co-working spaces.
Senior Machine Learning Engineer - Credit PlaidSenior Machine Learning Engineer - CreditNew York, NY$228,960–$315,360 / yearWe’re looking for machine learning engineers with experience applying state-of-the-art machine learning and modeling techniques, including natural language processing, anomaly detection, optimization, and time series forecasting, across different product areas. You’ll lead experimentation with new modeling approaches and strategies, collaborate closely with engineers on ingesting signals and productionizing models, and help build the next wave of cash flow based underwriting.
Staff Engineer (Platform) - Remote LaterStaff Engineer (Platform) - RemoteNew York, NYRemote$175,000–$250,000 / yearBy combining trusted insight with expert guidance, Later removes guesswork from influencer marketing, enabling brands to choose the right creators, execute fully managed campaigns, and drive meaningful growth across awareness, engagement, and revenue. Built on a native, AI-powered platform and more than a decade of proprietary data—including billions of social interactions, impressions, and $2.4B+ in verified influencer-driven purchases—Later helps teams understand what will work before they launch.
Senior Market Connectivity Software Engineer – VP BarclaysSenior Market Connectivity Software Engineer – VPNew York, NYThe role sits within a regionally distributed development team delivering both technical and business-driven solutions, with close collaboration across global teams including London and Prague. They may also lead a number of specialists to influence the operations of a department, in alignment with strategic as well as tactical priorities, while balancing short and long term goals and ensuring that budgets and schedules meet corporate requirements.
NewChief Engineer - Maintenance Technician III Marriott International, IncChief Engineer - Maintenance Technician IIIRed Bank, NJ$28.50–$30Troubleshoot and perform repairs on all types of equipment (e.g., pump and motor replacement), plumbing (e.g., plunge toilets and unclog drains), electrical equipment including lamps, air conditioners, HVAC equipment, cosmetic items, extension cords, vacuum cleaners, internet devices, replace electrical switches and outlets, and program TV's. Display proficiency in at least three of the following categories, above average skills in three more of the following categories and basic skills in the remaining categories: air conditioning and refrigeration, electrical, mechanical, plumbing, pneumatic/electronic systems and controls, carpentry and finish skills, kitchen equipment, vehicles, energy conservation, and/or general building management.
NewSenior Fullstack Software Engineer, Healthcare CLEAR (clearme.com)Senior Fullstack Software Engineer, HealthcareNew York, NY$225,000–$300,000 / yearLocated in New York City, our Headquarters offers close collaboration with and access to a hands-on senior leadership team, a bright and energetic space with an open concept, and plenty of conference rooms and casual co-working spaces. All communications related to this role will come directly from a CLEAR employee through valid CLEAR channels (e.g., a valid @clearme.com email address or verified CLEAR LinkedIn profile).
NewSoftware Engineer, Infrastructure CLEAR (clearme.com)Software Engineer, InfrastructureNew York, NY$105,000–$125,000 / yearEnhance our compute platform (Kubernetes) with new functionalities and features, focusing on AWS networking services and concepts such as VPCs, Route Tables, Security Groups (SGs), ALBs/ELBs, and Route53, optimize service communication and management. Act as a product owner for our infrastructure, collecting feedback and requirements from engineering teams to address pain points and develop solutions, particularly in the realm of AWS networking and cloud-native design principles.
Staff Machine Learning Engineer (Research Scientist) - DFAI PlaidStaff Machine Learning Engineer (Research Scientist) - DFAINew York, NY$249,120–$367,920 / yearPhD: 5–9+ years of industry experience with evidence of technical leadership (tech lead, principal/staff-equivalent roles) and end-to-end production ownership. We work with thousands of companies like Venmo, SoFi, several of the Fortune 500, and many of the largest banks to make it easy for people to connect their financial accounts to the apps and services they want to use.
Security Software Engineer, IAM VercelSecurity Software Engineer, IAMNew York, NY$208,000–$312,000 / yearThis is a high-impact, ownership-heavy role: youll define IAM architecture from the ground up, migrate Okta fully behind Terraform, and serve as the subject matter expert who levels up the entire organization on IAM best practices. Were looking for a Security Software Engineer to join our Security team and own Vercels Identity and Access Management strategy - across both corporate and production environments.
NewFullstack Software Engineer CLEAR (clearme.com)Fullstack Software EngineerNew York, NY$180,000–$220,000 / yearAs a Software Engineer, youll own complex technical problems from design through deployment, partnering closely with Product, Design, Security, and Operations to deliver reliable, scalable solutions. Examples of reasonable accommodation include, but are not limited to, time off, extra breaks, making a change to the application process or work procedures, policy exceptions, providing documents in an alternative format, live captioning or using a sign language interpreter, or using specialized equipment.
NewSenior Software Engineer, Java CLEAR (clearme.com)Senior Software Engineer, JavaNew York, NY$225,000–$300,000 / yearAs a Senior Software Engineer, youll own complex technical problems from design through deployment, partnering closely with Product, Design, Security, and Operations to deliver reliable, scalable solutions. Located in New York City, our Headquarters offers close collaboration with and access to a hands-on senior leadership team, a bright and energetic space with an open concept, and plenty of conference rooms and casual co-working spaces.
NewSenior Fullstack Software Engineer CLEAR (clearme.com)Senior Fullstack Software EngineerNew York, NY$225,000–$300,000 / yearAs a Senior Software Engineer, youll own complex technical problems from design through deployment, partnering closely with Product, Design, Security, and Operations to deliver reliable, scalable solutions. Located in New York City, our Headquarters offers close collaboration with and access to a hands-on senior leadership team, a bright and energetic space with an open concept, and plenty of conference rooms and casual co-working spaces.
Staff Engineer (Product) - Remote LaterStaff Engineer (Product) - RemoteNew York, NYRemote$175,000–$250,000 / yearBy combining trusted insight with expert guidance, Later removes guesswork from influencer marketing, enabling brands to choose the right creators, execute fully managed campaigns, and drive meaningful growth across awareness, engagement, and revenue. Built on a native, AI-powered platform and more than a decade of proprietary data—including billions of social interactions, impressions, and $2.4B+ in verified influencer-driven purchases—Later helps teams understand what will work before they launch.
NewSenior Software Engineer, Data CLEAR (clearme.com)Senior Software Engineer, DataNew York, NY$225,000–$300,000 / yearDelivery throughput & self-service enablement: Lead time from request to production for new data sources and models, adoption and effectiveness of self-service tooling, reduction in manual engineering support for common workflows, and on-time delivery of roadmap initiatives. 6+ years of data engineering experience with strong Python and SQL skills, including designing and operating scalable batch and/or streaming data pipelines and orchestration (e.g., Dagster, Airflow, Luigi, dbt, Snowflake, Spark, Kafka, Databricks, or similar technologies).
NewSenior Water Resources Engineer The LiRo GroupSenior Water Resources EngineerEdison, NJ$140,000–$170,000 / yearRecently, Global Infrastructure Solutions Inc. (GISI), the parent company of The LiRo Group and Hill International, Inc. consolidated a portion of the highly experienced staff of both LiRo and Hill in the Northeast to create a larger, more efficient, and cost-effective team to serve clients. We are looking for an experienced Water Resource professional who is interested in helping shape a scalable practice — leading technical efforts, supporting pursuits, mentoring staff, and integrating hydraulic design with structural and civil engineering disciplines.
Software Engineer-Other - Intermediate Pinnacle Technical ResourcesSoftware Engineer-Other - IntermediateJersey City,, New Jersey$60–$70 / hourContractorThe specific compensation for this position will be determined by several factors, including the scope, complexity, and location of the role, as well as the cost of labor in the market; the skills, education, training, credentials, and experience of the candidate; and other conditions of employment. This role involves working on various projects, collaborating with cross-functional teams, and contributing to the development of high-quality software applications.
Product Engineer II – Utility Solutions EsriProduct Engineer II – Utility SolutionsNew York, NYRemote$79,664–$133,120 / yearAs the Product Engineer II – Utilities, you will collaborate with customers, industry teams, and other product development team members to design, develop, and support the right geospatial solutions for electric, gas, water, sewer, stormwater and telecommunications agencies. Design and author test cases for functionality, performance, scalability, and durability; execute both manual and automated tests, analyze test results, and report results.
Senior Performance Engineer Kforce Inc.Senior Performance EngineerJersey City, NJ$72–$82Accustomed to distributed cloud environments, containerized apps and container orchestration and collaborating with DevOps, CloudOps, BE engineers to optimize performance and reliability of systems. Employee pay is based on factors like relevant education, qualifications, certifications, experience, skills, seniority, location, performance, union contract and business needs.