1.1 USPS 955 Exam Structure & Scoring

USPS 955 Exam Structure & Scoring

The United States Postal Service (USPS) relies on a complex infrastructure of automated machinery and physical facilities to process and deliver billions of mailpieces. The gateway to maintaining this equipment is the USPS Exam 955, which is used to fill technical maintenance roles. Whether you are an external applicant or an internal employee seeking a promotion, understanding this assessment is essential.

Part 1 vs. Part 2: The Two-Phase Assessment

The examination process is divided into two distinct components:

1. Part 1: Personal Characteristics and Experience Inventory (PC&EI): This is an online, unproctored assessment taken at home. Once you submit an application, you have 72 hours to complete this portion. It contains approximately 120 biographical and behavioral questions designed to evaluate work habits, safety compliance, and mechanical experience.
2. Part 2: Technical Maintenance Assessment: If you pass the PC&EI, you will receive an invitation to schedule the technical exam. This is a proctored, computer-based test administered at a certified PSI Services LLC (PSI) center. It covers mechanical maintenance, electrical systems, electronics, and facility systems.

Understanding the Scoring: Passing vs. Competitive

• The Passing Score (70): A score of 70.00 is the minimum required to pass and be placed on the Register of Eligibles. If you score below 70, you are rated as "Ineligible" and cannot proceed.
• The Competitive Score (85+): Because the USPS hires and promotes directly from the register in order of score, a 70 is rarely enough to secure a position. To ensure you receive a job offer, you should aim for a competitive score of 85.00 or higher. Veterans' preference points (5 or 10 points) are added to passing scores, which further increases the competition.
• The Register of Eligibles: Once you pass, your score is entered onto this list and remains active for two years. Local managers pull candidates from the top of this list as vacancies arise.
• Retesting Policy: You can request to re-test after a specific period (typically 120 days for in-service employees) to improve your score. However, be aware that your latest score will overwrite any previous scores.

Maintenance Craft Job Profiles

The USPS 955 exam evaluates your technical competence across five distinct job profiles, each with its own focus:

1. Maintenance Mechanic (MM, Level 7): This entry-level role focuses on routine preventive maintenance, cleaning machinery, clearing basic jams, and assisting higher-level technicians. The exam weights basic tool safety and basic electrical principles.
2. Mail Processing Equipment Mechanic (MPE, Level 9): MPEs perform complex troubleshooting, alignment, and mechanical repairs on advanced automated mail sorters. The MPE profile weights power transmission, pneumatics, and motor controls.
3. Electronic Technician (ET, Level 10): ETs diagnose system-level faults and repair complex digital electronics and programmable logic controllers. The ET score is heavily weighted toward digital logic and diagnostic procedures.
4. Building Equipment Mechanic (BEM, Level 9): BEMs maintain facility infrastructure, focusing on Heating, Ventilation, and Air Conditioning (HVAC) systems, plumbing, and structural repairs.
5. Area Maintenance Technician (AMT, Level 9): AMTs travel to smaller post offices to perform a mix of facility repairs and light equipment maintenance, requiring a broad multicraft skill set.

The Multicraft Scoring Engine

When you complete the technical exam, the scoring system runs your answers through separate algorithms for each profile. For example, if you score exceptionally well on digital electronics but poorly on refrigeration, you might qualify as an ET with a score of 87, pass as an MM with 78, but receive an ineligible rating for BEM. Your score report will list your status for each profile separately. Therefore, you should study all subjects to ensure you qualify for the higher-paying specialties.

Register Administration and Job Offers

Once the candidate is placed on the Register of Eligibles, the local district Human Resources department administers the list. When a position opens, candidates are selected in rank order for an interview. During the interview, selectors evaluate the candidate's communication skills and suitability using behavioral questions. If you pass the interview, you are extended a conditional job offer, subject to background checks and drug screenings. Because promotions and hiring are strictly merit-based and tied to test scores, a single point can determine whether you are selected for a career path or remain waiting on the register.