Astro Pak is the nation's leading precision cleaning and passivation contractor specializing in on-site cleaning of high purity gas and fluid systems, as well as precision cleaning of components and hardware at the company’s Cleanroom facilities. Astro Pak provides services to over 15 sectors including: Data Centers, Biotechnology, Pharmaceutical, Aerospace, Semiconductor, and other selected Industrial markets. The company, founded in 1959, has performed on-site precision chemical cleaning in every State of the Union as well as several projects in Asia, Canada, continental Europe, England, Ireland and Mexico.

Are you a detail-driven accounting professional who thrives on accuracy, organization, and keeping financial operations running smoothly? At Astro Pak, we’re looking for an Accounting Associate who takes pride in precision and enjoys supporting a fast-paced, service-focused organization. In this role, you’ll contribute directly to the financial integrity of our business while partnering closely with accounting leadership and cross-functional teams.

This is an excellent opportunity for someone who works independently, meets deadlines consistently, and models professionalism in every interaction.

This role reports to the Assistant Controller and is based onsite at our corporate office in Costa Mesa, CA, Monday through Friday.

What You’ll Do:

Manage and process larger recurring payables including leasing, car rental, and other monthly invoices
Assist with monthly reconciliations, including accurate job cost posting
Support the Payables Associate with coding, processing, and filing as needed
Record and distribute per diem payments
Review and approve daily submissions and perform GL reviews
Set up vendors in GP and maintain W-9 documentation files
Assist Accounts Receivable with collections and deposits as needed
Manage corporate credit card set-ups and distribute monthly statements
Set up employees in Concur expense software
Process annual 1099 filings
Perform additional accounting duties as requested by the Controller or Assistant Controller
Model and promote Astro Pak’s Core Values in daily interactions

What You Bring:

Required Qualifications:

Minimum of 2+ years of experience in an accounting environment, preferably within a service-based company
Strong attention to detail and high level of accuracy
Exceptional organizational skills with the ability to prioritize and meet deadlines
Strong verbal and written communication skills
Proficiency in Microsoft Word and Excel
Ability to interact with employees and customers in a professional, service-oriented manner
Ability to work independently with minimal oversight
Consistent attendance and punctuality

Preferred Qualifications:

College degree preferred

Key Characteristics:

Diligent and time-conscious
Self-starter who shows initiative
Team-oriented and respectful of others

Why Join Us?

At Astro Pak, we specialize in high-purity cleaning and surface preparation services that support critical industries across the country. Our work directly impacts pharmaceutical, biotech, and advanced manufacturing environments where precision matters.

We value integrity, accountability, and collaboration. As part of our accounting team, you’ll play a meaningful role in supporting operational excellence while working alongside professionals who are committed to doing things the right way. We invest in training, promote internal growth, and foster a culture built on respect and teamwork.

Salary and Benefits:

The pay for this position has a base hourly pay rate of $26-$28. The actual pay will carefully consider a wide range of factors, including your skills, qualifications, experience and location.
In addition to highly employer-subsidized medical, dental, and vision plans, Astro Pak offers competitive retirement savings and 401k plans, flexible spending, family leave, training and paid time off.

Astro Pak, LLC is an equal opportunity employer. We provide equal employment opportunity to all qualified applicants and employees without regard to race, color, religion, sex (including pregnancy, sexual orientation, gender identity), age (40 or older), national origin, disability, genetic information, or protected veteran status. We will reasonably accommodate applicants or employees with disabilities, and comply with all applicable federal, state, and local anti-discrimination laws.

About the company

Astro Pak provides precision cleaning, passivation, and high-purity chemical cleaning for cleanliness-sensitive parts across pharma, biotech, aerospace, laser, semiconductor, water treatment, and other industries, with on-site teams and in-house cleanrooms. It uses tailored chemical cleaning programs to remove contaminants, followed by passivation or surface finishing to boost corrosion resistance and equipment longevity, delivering validated, traceable processes that meet regulatory requirements. The company differentiates itself with decades of experience, a broad service portfolio, and a mix of on-site capability and controlled-cleanroom facilities. Its goal is to help customers achieve high cleanliness and surface reliability while reducing downtime and ensuring regulatory compliance.

Company Size

201-500

Company Stage

N/A

Total Funding

N/A

Headquarters

Costa Mesa, California

Founded

1959

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Simplify's Take

What believers are saying

July 2026 Frontline added high-velocity oil flushing, chemical cleaning, and fluid purification.
February 2026 CFO Paul Kromwyk and people chief Patrick McKeown strengthened scaling infrastructure.
Astro Pak won another Orange County Best Places to Work nod in 2026.

What critics are saying

A contamination incident would instantly damage semiconductor and biotech customer trust.
OSHA opened a June 30, 2026 referral inspection at Astro Pak Caribe in Bayamon.
Waterkeeper's 2023 Clean Water Act case exposed stormwater-compliance vulnerability at Astro Pak facilities.

What makes Astro Pak unique

Founded 1959, Astro Pak specializes in high-purity cleaning for regulated, mission-critical industries.
March-July 2026 acquisitions expanded cleanrooms, Canada, Texas, and Northern California.
Clean Sciences, Purepass, and Frontline create a broader precision-cleaning and field-services platform.

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Benefits

Health Insurance
Dental Insurance
Vision Insurance
401(k) Retirement Plan
401(k) Company Match
Health Savings Account/Flexible Spending Account

Growth & Insights and Company News

Headcount

6 month growth

1 year growth

2 year growth

Intrepid Investment Bankers

Jul 23rd, 2026

Intrepid advises Astro Pak on three acquisitions in four months.

Intrepid advises Astro Pak on three acquisitions in four months. Intrepid Investment Bankers ("Intrepid"), a leading middle-market investment bank and the advisory arm of global financial group, MUFG, announced today that it acted as the exclusive buyside advisor to Astro Pak LLC ("Astro Pak"), a portfolio company of The Stephens Group, LLC ("Stephens Group"), on the acquisitions of Clean Sciences, Purepass and Frontline Global Services. The three transactions closed within a four-month period, marking a significant milestone in Astro Pak's acquisition strategy. The acquisitions advance Astro Pak's growth strategy by expanding its precision cleaning, reliability solutions and field services capabilities across the semiconductor power generation, and other high reliability end markets. The transactions also extend the company's geographic footprint into Canada, Texas and Northern California, bringing Astro Pak's total network to 14 locations. Jack Nadal, Managing Director at Stephens Group, said, "Intrepid has become a true extension of our corporate development team. Their ability to understand the strategy, source the right opportunities, and effectively manage the outreach process has allowed us to significantly accelerate Astro Pak's growth." "We are delighted to have supported Stephens Group and Astro Pak with the highly strategic acquisitions of Clean Sciences, Purepass and Frontline Global Services. We look forward to Astro Pak's continued growth and success," said Chris Aguilar, Vice President at Intrepid. Astro Pak is a leading provider of high purity and precision cleaning services, serving critical industries such as pharmaceutical, biotechnology, food & beverage, datacenters, semiconductor, aerospace & defense, power generation, and more. The Stephens Group, LLC is a private investment firm that partners with talented management teams to help build valuable businesses. Backed by the resources of the Witt Stephens, Jr. and Elizabeth Campbell families, the firm combines the operational expertise of a private equity firm with the flexibility provided by long-term capital. With over $2 billion of private equity assets under management, the firm has a long history of providing informed, sophisticated expertise and working with owners and managers to help them successfully achieve their strategic visions and build long-term value. Since 2006, Stephens Group has invested in over 50 companies, targeting investments in industries across the U.S., including industrial products and services, specialty distribution, and vertical software. Deal Type:Buy-Side Search Deal Team Contacts Joseph Husband Director, Head of Buy-Side Search Mike Strupe Managing Director Asher Safvi Managing Director Steven Nelson Managing Director, Head of Financial Sponsor Coverage Chris Aguilar Vice President Media Team Contact Jennifer Sransky Director, Head of Marketing

The Manufacture Data

Jul 8th, 2026

Astro Pak LLC acquires Frontline Global Services, Inc.

Astro Pak LLC acquires Frontline Global Services, Inc. A portfolio company of The Stephens Group, LLC ("Stephens Group"), is pleased to announce its acquisition of Frontline Global Services, Inc. ("Frontline"), a provider of comprehensive cleaning and reliability solutions for industrial and commercial equipment. The acquisition expands Astro Pak's field service capabilities and increases the total number of locations to 14 across the United States, Canada, and Puerto Rico. Based in Diboll, Texas, Frontline provides high velocity oil flushing, chemical cleaning, fluid purification, and other specialized system performance related services to customers in the United States and internationally. The company serves industrial and commercial customers across power generation, data center, energy, petrochemical, refining, steel & primary metals, defense, and other high reliability industrial end markets. The transaction marks Astro Pak's third acquisition under Stephens Group. Astro Pak President Ken Carroll said, "We are excited to welcome Kevin and the entire Frontline team to the Astro Pak family. Frontline expands our portfolio of precision cleaning, fluid system management, and reliability services, enhancing our ability to support customers throughout the full lifecycle of mission-critical assets, all while advancing Astro Pak's goal of being the world's premier provider of high purity and precision cleaning services." "Astro Pak provides a great home for Frontline and its team members," Frontline President Kevin Sapp noted. "Astro Pak's relationships, resources, and technical expertise set Frontline on a course for accelerated growth while continuing to build upon its legacy of safety and quality. With Astro Pak's support, Frontline will enhance its service to new and existing customers and expand opportunities for its team members." Following the acquisition, Kevin Sapp will continue to lead Frontline and support its ongoing growth and integration into Astro Pak. Jack Nadal, Managing Director at Stephens Group, added, "We are proud to support Astro Pak in its acquisition of Frontline. Astro Pak continues to demonstrate its commitment to providing a complete set of market-leading, mission-critical precision cleaning services, with Frontline representing a meaningful step forward in expanding Astro Pak's technical capabilities and strengthening its position across a broader range of industrial and infrastructure markets." Intrepid Investment Bankers served as the exclusive buy-side advisor for Astro Pak. ABOUT ASTRO PAK LLC Astro Pak LLC is a leading provider of high purity and precision cleaning services, serving critical industries such as pharmaceutical, biotechnology, food & beverage, datacenters, semiconductor, aerospace & defense, and more. Founded in 1959, Astro Pak is committed to ensuring the highest standards of cleanliness, compliance, and operational excellence for its customers. Learn more about Astro Pak at https://astropak.com/. ABOUT FRONTLINE GLOBAL SERVICES, INC. Frontline Global Services, Inc. provides comprehensive cleaning and reliability solutions for industrial and commercial equipment including high velocity oil flushing, chemical cleaning, fluid purification, and other related services. The company serves industrial and commercial customers across power generation, data center, energy, petrochemical, refining, steel & primary metals, defense, and other industrial end markets. Learn more about Frontline at https://www.frontlineglobal.com/. ABOUT THE STEPHENS GROUP, LLC The Stephens Group, LLC is a private investment firm that partners with talented management teams to help build valuable businesses. Backed by the resources of the Witt Stephens, Jr. and Elizabeth Campbell families, the firm combines the operational expertise of a private equity firm with the flexibility provided by long-term capital. With over $2 billion of private equity assets under management, the firm has a long history of providing informed, sophisticated expertise and working with owners and managers to help them successfully achieve their strategic visions and build long-term value. Since 2006, Stephens Group has invested in over 50 companies, targeting investments in industries across the U.S., including industrial products and services, specialty distribution, and vertical software.

Associated Press

Jul 7th, 2026

Astro Pak LLC Acquires Frontline Global Services, Inc.

COSTA MESA, Calif. & DIBOLL, Texas--(BUSINESS WIRE)--Jul 7, 2026-- Astro Pak LLC (“Astro Pak”), a portfolio company of The Stephens Group, LLC (“Stephens Group”), is pleased to announce its acquisition of Frontline Global Services, Inc.

FinancialContent

Jun 4th, 2026

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The Montreal Gazette

Jun 3rd, 2026

Astro Pak LLC acquires Purepass Services, Inc.

Astro Pak LLC acquires Purepass Services, Inc. COSTA MESA, Calif. & HAMILTON, Ontario - Astro Pak LLC ("Astro Pak"), a portfolio company of The Stephens Group, LLC ("Stephens Group"), is pleased to announce its acquisition of Purepass Services, Inc. ("Purepass"), a provider of on-site and shop-based high purity cleaning services. Located in Hamilton, Ontario, the acquisition establishes Astro Pak's footprint in Canada... June 3, 2026 at 8:04 a.m. COSTA MESA, Calif. & HAMILTON, Ontario - Astro Pak LLC ("Astro Pak"), a portfolio company of The Stephens Group, LLC ("Stephens Group"), is pleased to announce its acquisition of Purepass Services, Inc. ("Purepass"), a provider of on-site and shop-based high purity cleaning services. Located in Hamilton, Ontario, the acquisition establishes Astro Pak's footprint in Canada and increases the total number of locations to 13 across the United States, Canada, and Puerto Rico. Purepass provides passivation, derouging, pickling, oxygen cleaning, sanitization, and other services to customers across Canada and the United States. The company serves the biopharmaceutical, food & beverage, household & personal care, water & wastewater, and other industrial end markets. The transaction marks Astro Pak's second acquisition under Stephens Group. "We are thrilled to welcome Kyle, Matt, and the entire Purepass team to the Astro Pak family," said Astro Pak President Ken Carroll. "Astro Pak has served the Canadian market for many years, and the ability to join forces with Purepass to better serve customers across Canada represents a meaningful expansion opportunity for the business. We look forward to combining Astro Pak's resources with the team's decades of experience to provide industry-leading high purity cleaning services to customers across the country." Purepass President Kyle Worlin and Vice President Matt McKelvie noted, "Astro Pak's legacy in high purity and precision cleaning services, combined with its standard for excellence and consistent values, made for an easy decision. Working with Astro Pak will allow us to better serve our customers across Canada and the U.S. while providing a great home with expanded opportunities for our team." "Purepass is a strong cultural fit with Astro Pak and is highly complementary strategically and operationally," Jack Nadal, Managing Director at Stephens Group, added. "The acquisition formalizes Astro Pak's presence in Canada allowing us to better serve current and future customers. We remain committed to building the world's premier provider of high purity and precision cleaning services, which is accelerated with the acquisition of Purepass." Intrepid Investment Bankers served as the exclusive buy-side advisor for Astro Pak. ABOUT ASTRO PAK LLC Astro Pak LLC is a leading provider of high purity and precision cleaning services, serving critical industries such as pharmaceutical, biotechnology, food & beverage, datacenters, semiconductor, aerospace & defense, and more. Founded in 1959, Astro Pak is committed to ensuring the highest standards of cleanliness, compliance, and operational excellence for its customers. Learn more about Astro Pak at https://astropak.com/. ABOUT PUREPASS SERVICES, INC. Purepass Services, Inc. provides high purity cleaning services to customers across Canada and the United States. The company's offering includes passivation, derouging, pickling, oxygen cleaning, sanitization, and other services for customers across biopharmaceutical, food & beverage, household & personal care, water & wastewater, and other industrial end markets. Learn more about Purepass at https://purepassinc.ca/. ABOUT THE STEPHENS GROUP, LLC The Stephens Group, LLC is a private investment firm that partners with talented management teams to help build valuable businesses. Backed by the resources of the Witt Stephens, Jr. and Elizabeth Campbell families, the firm combines the operational expertise of a private equity firm with the flexibility provided by long-term capital. With over $2 billion of private equity assets under management, the firm has a long history of providing informed, sophisticated expertise and working with owners and managers to help them successfully achieve their strategic visions and build long-term value. Since 2006, Stephens Group has invested in over 50 companies, targeting investments in industries across the U.S., including industrial products and services, specialty distribution, and vertical software.

Astro Pak

Billing & Collections Associate

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