Start the year strong as a PLC Programmer / Senior PLC Software Sustaining Engineer in New Freedom, PA (Onsite). This role is ideal for an experienced automation professional who thrives in hands-on troubleshooting, system optimization, and long-term system reliability within industrial HVAC environments.

You’ll play a critical role in supporting and improving deployed PLC-based control systems, ensuring smooth operations, energy efficiency, and compliance. With a 5-month contract and the potential for extension or conversion, this opportunity offers both immediate impact and future growth.

What You’ll Do

Support, maintain, and troubleshoot Toshiba PLC-based HVAC control systems in the field and at customer sites
Diagnose PLC software and hardware issues and implement fixes, patches, and minor system upgrades
Analyze performance data and tune systems to improve efficiency, reliability, and uptime
Collaborate with engineering teams and customers to resolve ongoing issues and support change requests
Perform root cause analysis on recurring system failures and assist with corrective actions
Maintain accurate technical documentation, change logs, and system records
Mentor junior engineers and support staff when needed
Ensure systems meet safety, environmental, and regulatory requirements

What You Bring

Bachelor’s degree in Electrical Engineering, Automation, Computer Science, or related field (or equivalent experience/certifications)
5+ years of experience in industrial automation, technical support, or sustaining engineering
2+ years of hands-on experience with Toshiba PLCs
Strong troubleshooting skills across PLC software and hardware
Experience with industrial communication protocols (Modbus, BACnet, Ethernet/IP)
Strong analytical, documentation, and communication skills
Ability to work independently and collaborate across technical teams

Nice to Have

Experience with HVAC control systems and automation
Familiarity with other PLC platforms
Experience with Pro-Face HMIs

Equal Opportunity Employer / Disabled / Protected Veterans

The Know Your Rights poster is available here:
https://www.eeoc.gov/sites/default/files/2023-06/22-088_EEOC_KnowYourRights6.12.pdf

The pay transparency policy is available here:
https://www.dol.gov/sites/dolgov/files/ofccp/pdf/pay-transp_%20English_formattedESQA508c.pdf

For temporary assignments lasting 13 weeks or longer, AllSTEM Connections is pleased to offer major medical, dental, vision, 401k and any statutory sick pay where required.

We are committed to working with and providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation for any part of the employment process, please contact your staffing representative who will reach out to our HR team.

AllSTEM Connections participates in the E-Verify program in certain locations as required by law. Learn more about the E-Verify program.
https://e-verify.uscis.gov/web/media/resourcesContents/E-Verify_Participation_Poster_ES.pdf

We also consider for employment qualified applicants regardless of criminal histories, consistent with legal requirements, including, if applicable, the City of Los Angeles’ Fair Chance Initiative for Hiring Ordinance. Pursuant to applicable state and municipal Fair Chance Laws and Ordinances, we will consider for employment-qualified applicants with arrest and conviction records, including, if applicable, the San Francisco Fair Chance Ordinance. For Los Angeles, CA applicants: Qualified applications with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act.