NewExecutive Assistant | Onsite - Contract TalentBurst, Inc.Executive Assistant | Onsite - ContractCambridge, MAAssists with documents (Word, Excel, PowerPoint, Visio, etc.) that need to be created, reviewed, proofread, and/or designed for distribution internally and/or externally. May attend meetings with executive to provide logistical support, take detailed notes, and track needed follow up items.
NewSenior Sales Executive - Accounting & Finance Vaco LLCSenior Sales Executive - Accounting & FinanceBoston, MA$50,000–$80,000Determining compensation for this role (and others) at Vaco by Highspring depends upon a wide array of factors including but not limited to: the individual’s skill sets, experience and training; licensure and certification requirements; office location and other geographic considerations; other business and organizational needs. Determining compensation for this role (and others) at Vaco/Highspring depends upon a wide array of factors including but not limited to the individual’s skill sets, experience and training, licensure and certifications, office location and other geographic considerations, as well as other business and organizational needs.
NewSenior Campus Executive Chef Brooksby Village by Erickson Senior LivingSenior Campus Executive ChefPeabody, MARemote$95,000–$110,000 / yearBrooksby Village helps people live better lives by fulfilling our promises of a vibrant lifestyle, financial stability, and focused health and well-being services for those who live and work with us. See Erickson Senior Living Privacy Policy at https://www.ericksonseniorliving.com/privacy-policy and SonicJobs Privacy Policy at https://www.sonicjobs.com/us/privacy-policy and Terms of Use at https://www.sonicjobs.com/us/terms-conditions.
NewKey Accounts Executive MSCKey Accounts ExecutiveNewburyport, MA$38,723–$60,851 / yearResponsibilities include expanding sales through new account acquisition, deepening product penetration with a focus on VMI accounts, and delivering on-site service and comprehensive account management to maximize customer retention and sustainable growth. With more than one million product offerings and 80+ years of experience across industries, MSC strives to help our customers achieve greater productivity, profitability, and growth through inventory management and other innovative supply chain solutions.
NewVIP Catering Executive Chef - Boston University AramarkVIP Catering Executive Chef - Boston UniversityBoston, MAJob Description The Aramark VIP Executive Catering Chef at Boston University is a leadership position overseeing chef managers and catering sous chefs, as well as hourly culinary staff, responsible for developing and executing culinary solutions to meet customer needs and tastes. Manages a culinary team, including chef managers and hourly staff, to ensure quality in final presentation of food.
Project Executive - Leadership Opportunity! Michael Page USAProject Executive - Leadership Opportunity!Newton, MA$160,000–$180,000 / yearFull timeOversee all phases of construction projects, from pre-construction to completion, ensuring timely delivery and budget adherence. Stable Leadership, Proven experience in managing construction projects within the business services industry.
Project Executive - Commercial & Multifamily - Boston, MA Michael Page USAProject Executive - Commercial & Multifamily - Boston, MABoston, MA$160,000–$180,000 / yearFull timeRequirements 10+ years of construction project management experience Proven experience delivering ground-up or renovation projects (multifamily preferred, but open to other sectors) Strong leadership and team management capabilities Excellent communication and client-facing skills Track record of managing projects through full lifecycle (precon to closeout) Experience managing multiple projects concurrently Stable career history with progressive responsibility The Senior Project Manager / Project Executive will serve as a key leader within the organization, overseeing multiple projects and supporting the company's continued expansion.
Senior PM / Project Executive - Multifamily - Newton, MA Michael Page USASenior PM / Project Executive - Multifamily - Newton, MANewton, MA$140,000–$180,000 / yearFull timep>Our client is seeking a senior-level Project Manager / Project Executive to join their growing team and provide leadership across a diverse portfolio of construction projects. Their portfolio includes both ground-up construction and renovations up to $60M, and they are known for strong client relationships, with roughly 90% of work coming from repeat business.
Project Executive - Commercial/Residential - Boston, MA Michael Page USAProject Executive - Commercial/Residential - Boston, MABoston, MA$140,000–$170,000 / yearFull timeThe Project Executive - Commercial/Residential will oversee and manage construction projects from inception to completion, ensuring they are delivered on time, within scope, and within budget. A successful Project Executive - Commercial/Residential should have: A strong background in construction project management within the business services industry.
Project Executive - Small - Mid Sized General Contractor Michael Page USAProject Executive - Small - Mid Sized General ContractorQuincy, MA$140,000–$170,000 / yearFull timep>The Project Executive will oversee construction projects from inception to completion, ensuring they align with quality, budget, and timeline expectations. Known for its commitment to excellence in construction, the company manages projects that shape communities and deliver lasting value.
Sales Executive Boston Marriott Vacations WorldwideSales Executive BostonBoston, MassachusettsFull timeHourly Rate: $32.50The Sales Executive position pays a base wage of $15.92 per hour with production pay where the annual pay range (base wages + production pay) for Boston Custom House Worksite in 2024 was between $112,156 and $638,547. As a Sales Executive Trainee, you will assist in providing our Owners/guests with experiences and events to make memorable vacation memories, where meaningful moments are made together.
Executive Assistant Beacon Hill Staffing GroupExecutive AssistantCambridge, MassachusettsFull timeLearn more about Beacon Hill and our specialty divisions, Beacon Hill Associates, Beacon Hill Financial, Beacon Hill HR, Beacon Hill Legal, Beacon Hill Life Sciences and Beacon Hill Technologies by visiting www.bhsg.com. The role supports HR leadership within a fast-paced life sciences firm and includes a mix of high-level EA responsibilities and hands-on administrative support for executive recruitment.
Part Time Executive Assistant Beacon Hill Staffing GroupPart Time Executive AssistantNewton, Massachusetts$30–$35 / hourPart timeLearn more about Beacon Hill and our specialty divisions, Beacon Hill Associates, Beacon Hill Financial, Beacon Hill HR, Beacon Hill Legal, Beacon Hill Life Sciences and Beacon Hill Technologies by visiting www.bhsg.com . Our niche brands offer a complete suite of staffing services to emerging growth companies and the Fortune 500 across market sectors, career specialties/disciplines and industries.
Part Time Executive Assistant to HR Beacon Hill Staffing GroupPart Time Executive Assistant to HRBrighton, Massachusetts$25–$33 / hourPart timeLearn more about Beacon Hill and our specialty divisions, Beacon Hill Associates, Beacon Hill Financial, Beacon Hill HR, Beacon Hill Legal, Beacon Hill Life Sciences and Beacon Hill Technologies by visiting www.bhsg.com . Our niche brands offer a complete suite of staffing services to emerging growth companies and the Fortune 500 across market sectors, career specialties/disciplines and industries.
Executive Assistant The Computer Merchant, LtdExecutive AssistantMedford, MA$35–$40 / hourContractorWhile an hourly range is posted for this position, an eventual hourly rate is determined by a comprehensive salary analysis which considers multiple factors including but not limited to: job-related knowledge, skills and qualifications, education and experience as compared to others in the organization doing substantially similar work, if applicable, and market and business considerations. • Serve as a key liaison between the EVP and central administrative partners (including the Office of University Strategy and Program Development (OUSPD)), facilitating communication, approvals, scheduling, and information flow for university wide initiatives and strategic projects.
Office Manager Beacon Hill Staffing GroupOffice ManagerBeverly, Massachusetts$40–$45 / hourFull timeLearn more about Beacon Hill and our specialty divisions, Beacon Hill Associates, Beacon Hill Financial, Beacon Hill HR, Beacon Hill Legal, Beacon Hill Life Sciences and Beacon Hill Technologies by visiting www.bhsg.com. A growing Boston-area investment firm is seeking a polished and highly organized Executive Assistant / Office Manager to support senior leadership and ensure smooth day-to-day office operations.
Executive Assistant to the CQO Commonwealth of MassachusettsExecutive Assistant to the CQOBoston, MAProgram Coordinator II'',''Program Coordinator II'',''United States-Massachusetts-Boston-170 Morton Street'',''United States-Massachusetts-Boston-170 Morton Street'',''Administrative Services'',''Administrative Services'',''Department of Public Health'',''Department of Public Health'',''Full-time'',''Full-time'',''Day'',''Day'',''Jun 8, 2026, 11:16:07 AM'',''Jun 8, 2026, 11:16:07 AM'',''1'',''1'',''104,315.38'',''72,172.36'',''104,315.38'',''Yearly'',''Sandra. MINIMUM ENTRANCE REQUIREMENTS: Applicants must have at least (A) three years of full time, or equivalent part-time, professional, administrative or managerial experience in business administration, business management or public administration the major duties of which involved program management, program administration, program coordination, program planning and/or program analysis, or (B) any equivalent combination of the required experience and the substitutions below.
Executive Assistant: 26-01015 Akraya Inc.Executive Assistant: 26-01015Waltham, MARemote$59–$64 / hourMost recently, we were recognized Stevie Employer of the Year 2025, SIA Best Staffing Firm to work for 2025, Inc 5000 Best Workspaces in US (2025 & 2024) and Glassdoor's Best Places to Work (2023 & 2022)! Job Summary:We are seeking a proactive and highly skilled Executive Assistant to support senior leadership in an energetic, fast-paced environment.
Executive Assistant NetCracker Technology CorpExecutive AssistantMA$100,000–$130,000 / yearAll Customers Industry-specific solutions tailored to the unique needs of each vertical, helping achieve measurable business outcomes Utilities Modernize utility operations for reliability, efficiency and customer satisfaction ICT Accelerate partner and customer onboarding, automate services and scale multi-vendor ICT ecosystems Communications Connect customer experience, revenue and network operations to turn complexity into faster launches and revenue growth Satellite Streamline multi-orbit operations, onboard partners faster and ensure reliable satellite services Finance Enable digital finance with secure, real-time operations and ecosystem control Transportation and Logistics Predict disruptions, optimize assets, maximize partner performance and automate operations Smart Cities Deliver secure and citizen-centric engagement, IoT and AI-driven services for efficient urban management Entertainment Optimize experiences, monetize content and orchestrate partners ecosystems. Netcracker Intelligent Customer Experience Featured Digital Transformation Solutions Netcracker Digital Satellite Solution Netcracker Digital Platform Netcracker Broadband Experience Solutions for Cable MSOs MVNO Cloud Solution Monetization and Customer Experience Netcracker Intelligent Customer Experience Netcracker Convergent Charging System Netcracker Intelligent B2B CPQ Solution 5G Monetization Netcracker Cloud BSS Intelligent Sales Automation Digital Marketplace Next-Generation Revenue Management Partner Ecosystem Management Intelligent Operations Automation 5G Operations Automation E2E Service Orchestration Core Domain Orchestration Network Domain Orchestration Open RAN Domain Orchestration Netcracker Business Cloud Netcracker Fiber Cloud Solution Cloud Transformation Services Cloud Strategy Design Cloud Delivery Multiloud Operations NetCo and ServCo Solutions Netcracker Fiber Cloud Solution Netcracker Cloud BSS for ServCos.
Executive Assistant, Private Equity Performance Improvement - MAS Alvarez & Marsal Holdings LLCExecutive Assistant, Private Equity Performance Improvement - MASBoston, MA$80,000–$90,000 / yearA&M's Private Equity Performance Improvement Services (PEPI) practice, with offices throughout the US, focuses on serving upper middle market and large cap private equity firms who have engaged A&M to help improve operating results at their portfolio companies. Additionally, employees are eligible for paid time off including vacation, personal days, seventy-two (72) hours of sick time (prorated for part time employees), ten federal holidays, one floating holiday, and parental leave.
NewExecutive Assistant, Corporate Huron Consulting ServicesExecutive Assistant, CorporateBoston, MassachusettsOur accounting, finance, human resources, IT, legal, marketing and facilities management professionals work collaboratively to support Huron’s collective strategies and enable real transformation to produce sustainable business results. Organize and coordinate meetings, including booking both onsite/offsite meeting rooms, drafting and editing materials with little to no direction, managing catering services and taking detailed meeting minutes if necessary.
Executive Assistant of Student Services Weymouth Public SchoolsExecutive Assistant of Student ServicesWeymouth, MAGeneral Responsibilities: Working with minimal supervision, the Executive Assistant provides high-level administrative support to the Student Services Department, which manages sensitive and/or confidential information regarding students. We educate over 5,600 students in 11 school buildings, including Weymouth Early Childhood Center, eight elementary schools (grades K-5), Chapman Middle School (grades 6-8), and Weymouth High School (Grades 9-12).
Contract to Perm Legal Executive Assistant Naviga Recruiting & Executive SearchContract to Perm Legal Executive AssistantBoston, MANaviga Recruiting & Executive Search is a leading provider of Contingent Workforce Solutions, Executive Search, Leadership and Individual Contributor hiring, empowering businesses to achieve their strategic objectives through expert talent acquisition. With a commitment to excellence and a deep understanding of market trends, Naviga Recruiting & Executive Search helps organizations build high-performing teams and navigate complex workforce challenges.
Sr Executive Assistant to the CEO Cengage GroupSr Executive Assistant to the CEOBoston, MA$115,000–$125,000 / yearCengage, a global education technology company serving millions of learners, provides affordable, quality digital products and services that equip students with the skills and competencies needed to be job ready. As Cengage evolves into a digital-first, recurring-revenue education and data company preparing for public status, this position is essential for maintaining top-level rigor in executive operations, Board involvement, and interactions with external partners.
Executive Assistant - Global R&D Bose CorpExecutive Assistant - Global R&DFramingham, MA$79,100–$108,800 / yearAs we evolve our operating model, we are redefining the role of Executive Assistant to be a strategic partner to leadership-enabling focus, driving alignment, and improving how work gets done across the organization. This role is part of the Office of the Chief of Staff (OCOS) within Global R&D, a team focused on driving operational excellence, transformation and leadership alignment, across Engineering.
NewExecutive Assistant DolbenExecutive AssistantWoburn, MA$43–$51 / hourFactors considered include, but are not limited to, length and relevance of prior work experience, educational attainment, professional licensure or certifications, specialized skills, and demonstrated competencies directly related to the position. EXECUTIVE ASSISTAN T We are seeking an experienced and energetic Executive Assistant with excellent verbal and written communication skills to join our Corporate Office in Woburn, MA.
Office Manager & Executive Assistant Daley and AssociatesOffice Manager & Executive AssistantBoston, MA$40–$50 / hour5-6+ years of executive assistant, administrative assistant, and office manager experience in investment management, financial services, or professional services industry. We are currently seeking candidates for an Office Manager & Executive Assistant opportunity at a highly successful hedge fund located in Boston, MA.
Senior Executive Assistant Dechra Pharmaceuticals LtdSenior Executive AssistantBoston, MA$110,000–$135,000 / yearThis is a high-impact position for someone who operates with strong judgement, anticipates needs, and works independently to support the executive office in a fast-paced, high-visibility environment. provides advanced administrative and operational support to ensure the effectiveness, alignment, and smooth running of executive priorities and day-to-day activities.
EXECUTIVE ASSISTANT TO ASSOCIATE PROVOST & VP RESEARCH University Research Boston UniversityEXECUTIVE ASSISTANT TO ASSOCIATE PROVOST & VP RESEARCH University ResearchBOSTON, MAWorking closely with senior leadership and the broader research community, the Executive Assistant will help ensure the smooth day-to-day operations of the Office of Research while supporting strategic initiatives and research administration activities. The position also supports a variety of research administration functions, including coordinating center reviews, organizing visits for scholars and guests, managing communications related to research awards and initiatives, and tracking deliverables for reports and special projects.
Executive Assistant Cornerstone ResearchExecutive AssistantBoston, MassachusettsThe Executive Assistant serves as a point of contact for all internal and external parties by anticipating administrative needs, managing workload, and producing work of the highest quality in a timely manner. At Cornerstone Research, you will be part of a thriving, 1,100-strong team that spans nine offices, comprises more than 55 nationalities, and leads the industry in its commitment to develop team members across all levels.
Senior Executive Assistant to CLO Agilon Health IncSenior Executive Assistant to CLOMARemote$100,000–$122,600 / yearWhy This Role Stands Out: This is an opportunity to serve as a trusted partner to agilon's Chief Legal Officer, supporting one of the company's senior executives and helping drive the successful execution of a broad portfolio of priorities across Legal, Compliance, Government Affairs, Human Resources, ESG, and the Office of the Corporate Secretary. Built for physicians by physicians, agilon's value-based care model empowers primary care physicians to focus on the total health of their senior patients, strengthen patient-physician relationships, improve the care experience, and support healthier communities across the markets we serve.
Executive Assistant Hub Technology GroupExecutive AssistantBoston, MA$35–$42 / hourProficiency using Microsoft Office applications (Word, Excel, Access, and PowerPoint). ·5+ years of Administrative Support experience including Executive Level Support.
NewExecutive Assistant, Corporate Huron Consulting Group IncExecutive Assistant, CorporateBoston, MA$70,000–$80,000 / yearOur accounting, finance, human resources, IT, legal, marketing and facilities management professionals work collaboratively to support Huron's collective strategies and enable real transformation to produce sustainable business results. Organize and coordinate meetings, including booking both onsite/offsite meeting rooms, drafting and editing materials with little to no direction, managing catering services and taking detailed meeting minutes if necessary.
Executive Assistant - Investment Management Daley and AssociatesExecutive Assistant - Investment ManagementBoston, MA$50–$60 / hourThe ideal candidate will have 3-5+ years of executive assistant, administrative assistant, or office management experience in investment management, financial services, or a related professional services environment. We are currently seeking candidates for an Executive Assistant position with an elite boutique asset management firm located in Boston, MA.
Executive Assistant Daley and AssociatesExecutive AssistantBoston, MA$40–$50 / hourThe ideal candidate will have 3-5+ years of executive assistant, administrative assistant, or office management experience in investment management, financial services, or related professional services environment. We are currently seeking candidates for an Executive Assistant position with an elite boutique asset management firm located in Boston, MA.
Executive Assistant Flagship Pioneering IncExecutive AssistantCambridge, MA$120,000–$145,000 / yearFlagship has been recognized twice on FORTUNE's "Change the World" list, an annual ranking of companies that have made a positive social and environmental impact through activities that are part of their core business strategies, and has been twice named to Fast Company's annual list of the World's Most Innovative Companies. Many of the companies Flagship has founded have addressed humanity's most urgent challenges: vaccinating billions of people against COVID-19, curing intractable diseases, improving human health, preempting illness, and feeding the world by improving the resiliency and sustainability of agriculture.
Executive Assistant, Finance BAE Systems PlcExecutive Assistant, FinanceNashua, NH$63,454–$101,526 / yearAbout BAE Systems Electronic Systems BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. Primary duties and responsibilities: Provide confidential administrative support to the VP of Finance and Finance leadership team, which by nature of the position involves high level contacts and exposure to sensitive information necessitating considerable use of tact, diplomacy, discretion and judgment.
Senior Executive Assistant, MGB Neurosurgery Brigham and Women's HospitalSenior Executive Assistant, MGB NeurosurgeryBoston, MA$27.95–$40.70 / hourManages all extended workers - students, volunteers, and observers in accordance with requirements set forth by the institution, including the coordination of all initial and ongoing correspondence, managing the database for all incoming and outgoing EWs, managing all necessary paperwork for registration and on-boarding, as well as ensuring Occupational Health and new staff orientation requirements are met prior to start date. Supports operations for departmental leadership, including coordination of meetings and events within MGB and outside of the hospital, keeps detailed records of meetings and minutes as requested, shares progress and updates with key leaders accordingly.
Executive Assistant RELX Group plcExecutive AssistantMA$48,900–$81,500 / yearAbout the Role: The Executive Assistant works closely with, and supports the Content Acquisition VPs, Content Management and Operational Excellence VPs, plus the Reference Content Leadership team, to manage administrative activities and projects and ensure the smooth running of the business. We prioritize timely delivery, impactful content, and robust support for our authors and customers, using the latest technologies and data to innovate continuously and to advance human progress together.
Executive Assistant / Office Manager Daley and AssociatesExecutive Assistant / Office ManagerBoston, MA$38–$50 / hourWe are currently seeking candidates for an Executive Assistant / Office Manager role with a highly successful investment management firm located in Boston, MA. Minimum of 3–5+ years’ experience in an executive assistant, administrative, or office operations role within investment management, financial services, or a comparable professional services environment.
Executive Assistant LanceSoft IncExecutive AssistantCambridge, MA, MA$65 / hourAs Executive Assistant, you will provide a high quality, comprehensive, accurate and timely administrative service to the Manager(s) and their respective team(s), with responsibility for all administrative and logistical functions and ensuring a professional interface, seamless communication and optimal coordination of activities on their behalf. Preparing and managing documents; drafting, editing and proofing various types of documents, including agreements, memos, correspondence and presentation materials (e.g., PowerPoint presentations).
NewExecutive Assistant Candel TherapeuticsExecutive AssistantNeedham, MassachusettsThe Executive Assistant is responsible for helping senior leaders operate effectively in a fast paced, evolving biotech environment by providing exceptional organizational support, anticipating needs, managing competing priorities, and ensuring seamless coordination of meetings, travel, communications, and critical business activities. The Executive Assistant serves as a trusted partner to Candel's senior leadership team, including the Chief Commercial Officer, General Counsel, and Chief Financial Officer.
Executive Assistant ElsevierExecutive AssistantMedford, MassachusettsThe Executive Assistant works closely with, and supports the Content Acquisition VPs, Content Management and Operational Excellence VPs, plus the Reference Content Leadership team, to manage administrative activities and projects and ensure the smooth running of the business. We prioritize timely delivery, impactful content, and robust support for our authors and customers, using the latest technologies and data to innovate continuously and to advance human progress together. .
Executive Assistant to the President/CEO The Hollister Group, Inc.Executive Assistant to the President/CEOBoston, MAJoin our client, a dedicated non-profit organization, as they seek a highly organized and resourceful Executive Assistant to support their President/CEO, ensuring seamless daily operations and enabling strategic growth. Technologically proficient in Google Workspace (Drive, Docs, Sheets, Gmail), Microsoft Office Suite, and CRM systems like Salesforce.
Executive Assistant Brigham and Women's HospitalExecutive AssistantBoston, MA$23.34–$33.37 / hourAbout the Role: The Department of Obstetrics & Gynecology and the Vincent Center for Reproductive Biology (VCRB) at Massachusetts General Hospital is seeking a highly organized and proactive Executive Assistant to support senior research leadership, faculty, and administrative staff. The framework is comprised of ten competencies (half People-Focused, half Performance-Focused) and are defined by observable and measurable skills and behaviors that contribute to workplace effectiveness and career success.
Executive Assistant Lenmar Consulting, Inc.Executive AssistantBoston, MAHandle additional administrative tasks such as maintaining and distributing reports, managing distribution lists, submitting technology requests, preparing copies, ordering office supplies, coordinating equipment needs, routing mail/packages, and greeting guests. You’ll work closely with senior leaders, build strong business and communication skills, and contribute to day-to-day execution that keeps the team running smoothly.
Executive Assistant Scion Staffing IncExecutive AssistantBoston, MARemote$30–$32 / hourPOSITION OVERVIEW: The Executive Assistant will serve as a trusted partner to a senior executive, providing high-level administrative, operational, and strategic support to ensure the smooth management of daily priorities and organizational initiatives. Through our innovative team building and recruiting solutions, we bridge the gap in executive leadership searches, direct hire recruiting, interim leadership placement, and temporary professional staffing.
executive-assistant-newton-ma Burns & McDonnellexecutive-assistant-newton-maNewton, MA$70,000–$140,000 / yearBurns & McDonnell is seeking a highly motivated Executive Assistant to provide executive and office-level administrative and operational support to the Boston Branch Vice President and provide general administrative support for the office. The role also collaborates closely with the Northeast Region Executive Assistant and across the Northeast Region to support administrative consistency and provides coordination support to other satellite offices.
Executive Assistant & Office Manager Form HealthExecutive Assistant & Office ManagerBoston, MassachusettsWe are seeking an experienced, highly organized, and proactive Executive Assistant and Office Manager to support our CEO, COO, and Chief Medical Officer while also owning the day-to-day management of our Boston headquarters . The right candidate will be a strong operator who anticipates needs, solves problems independently, maintains a welcoming and well-functioning office environment, and helps senior leadership stay focused, organized, and operating at peak effectiveness.
Executive Assistant/HR Designee Legends Hospitality, LLCExecutive Assistant/HR DesigneeManchester, NHOur network of 450 venues worldwide, hosting 20,000 events and entertaining 165 million guests each year, is powered by our depth of expertise and level of execution across every component - feasibility & consulting, owner's representation, sales, partnerships, hospitality, merchandise, venue management, and content & booking - of world-class live events and venues. The Executive Assistant / HR Designee plays a critical role as an operational partner, combining high-level administrative support with ownership of key human resources functions.