Job Requirements Phoenix, AZ Clearance Unspecified Polygraph Unspecified Mid Level Career (5+ yrs experience) Salary not specified Join Premium to unlock estimated salaries Job Description Primary Function The Maintenance Specialist (HVAC Mechanic) performs maintenance, repair, and installation of heating, ventilation, and air conditioning systems. The ideal candidate will have experience working in commercial or institutional settings and be capable of independently diagnosing and repairing HVAC and boiler systems. Essential Duties Operate, repair, and replace components on all HVAC systems Inspect and perform reoccurring preventative maintenance on all direct or indirect expansion air conditioning systems, evaporative units, and associated equipment to include air handlers, fan coils, ducting, electric and pneumatic operating controls, and chilled water systems Perform periodic inspections and follow outage reporting procedures for all air conditioning units supporting critical facilities Inspect, operate, repair, replacement components of and perform reoccurring preventative maintenance on all gas and oil-fired hot water boilers, forced air furnaces, and associated heating system components Inspect, operate, repair, replace components of and maintain air compressors and associated components to include distribution piping and regulation of pneumatic control air Perform preventative maintenance, inspection, operation, repair and maintenance on all ice machines and associated components to include incoming water lines Maintain, repair, and replace ice machine RO units Monitor, maintain tanks with government supplied diesel fuel and propane tanks that supply hot water boilers and force air furnaces Install electrical components and wiring Inspect and test HVACR systems and components Discuss system malfunctions with customers Repair or replace worn or defective parts Recommend maintenance to improve system performance Keeps record of work performed Follow all industry regulations Ability to work as a team player while working cohesively with all levels of clients, customers, and others to ensure contract success Able to work independently, analyze situations, and make decisions with minimal supervision Supervisory Responsibilities No Desired Knowledge, Skills & Abilities Computer literacy and attention to detail Ability to work under pressure and manage time efficiently Comfort in gathering and disseminating information Ability to use general office equipment such as fax, phone, copier, etc. Ability to follow a process. Strong professional customer service skills, including active listening, prompt service and follow-up. Ability to learn and understand corporate policies and procedures. Ability to multi-task efficiently. Ability to work independently to complete assignments and solve problems Knowledge of relevant standards Strong understanding of safety practices in industrial or government facilities. Required Qualifications High School Diploma or equivalent A minimum of 2-year work experience Previous military / government Logistics experience preferred, but not required. Ability to maintain a government security clearance. Ability to pass background and drug screening. Working Environment This is an on-site, fast-paced multi-tasking customer service-oriented environment requiring a high degree of efficient and effective performance. Adaptability regarding schedule and task changes is necessary to accommodate changing priorities. This position is normally 5 days a week M-F. However, weekends and after-hours support may be required.

PREFERENCE STATEMENT

Preference will be given to Calista shareholders and their descendants and to spouses of Calista shareholders, and to shareholders of other corporations created pursuant to the Alaska Native Claims Settlement Act, in accordance with Title 43 U.S. Code 1626(g).

EEO STATEMENT

Additionally, it is our policy to select, place, train and promote the most qualified individuals based upon relevant factors such as work quality, attitude and experience, so as to provide equal employment opportunity for all employees in compliance with applicable local, state and federal laws and without regard to non-work related factors such as race, color, religion/creed, sex, national origin, age, disability, marital status, veteran status, pregnancy, sexual orientation, gender identity, citizenship, genetic information, or other protected status. When applicable, our policy of non-discrimination applies to all terms and conditions of employment, including but not limited to, recruiting, hiring, training, transfer, promotion, placement, layoff, compensation, termination, reduction in force and benefits.

REASONABLE ACCOMMODATION

It is Calista and Subsidiaries' business philosophy and practice to provide reasonable accommodations, according to applicable state and federal laws, to all qualified individuals with physical or mental disabilities. The statements contained in this job description are intended to describe the general content and requirements for performance of this job. It is not intended to be an exhaustive list of all job duties, responsibilities, and requirements. This job description is not an employment agreement or contract. Management has the exclusive right to alter the scope of work within the framework of this job description at any time without prior notice. Welcome Thank you for your interest in Yulista! As you get to know Yulista, you'll discover that we encompass many subsidiaries, each offering unique and specialized capabilities within their respective fields. All our subsidiaries operate cohesively under the overarching Yulista umbrella. This allows us to leverage combined strengths, foster collaboration across diverse expertise areas, and provide comprehensive solutions to our customers. Read More About Us Since 2002, Yulista has leveraged our technical expertise to maintain aircraft and ground vehicles, advance aerospace technology and missile defense, support national security, and sustain base and maritime operations. In a fiercely competitive market, our agile teams embrace complex challenges, delivering mission-critical solutions. Yulista has been a trusted and preferred partner for mission-ready clients, renowned for consistently providing innovative expertise that drives success. Our greatest strength lies in the passion and commitment of our men and women who strive to make the impossible possible. Read More Follow Us Please click the link to review our Privacy Policy. © 2026 Workday, Inc. All rights reserved.

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