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Allegion

Security hardware and access control systems

Firmware Engineer Intern

Summer 2026
No salary listed
Internship
Bachelor's
Indianapolis, IN, USA
In Person
Software EngineeringEmbedded Engineering
No H1B Sponsorship

About the job

Requirements
  • Pursuing a degree in a relevant discipline, such as Computer Science, Computer Engineering, Electrical Engineering, Computer Engineering Technology, or Electrical Engineering Technology.
  • Demonstrated leadership ability and initiative, such as serving as a school club officer, sports team captain, resident advisor, or leader on school or work projects.
  • Completed at least one class in the C programming language; mid-level proficiency in C is preferred.
  • Basic understanding of electronics.
  • Ability to work in both team and individual settings.
  • Resiliency and ability to adapt quickly.
  • Effective listening, time management, and creative problem-solving techniques.
  • Legally authorized to be employed in the United States.
Responsibilities
  • Define and scope firmware requirements.
  • Design and document firmware architecture.
  • Code, test, and integrate firmware into a larger modular system.
  • Learn electronic locking systems and access control solutions, including differences between residential and commercial security.
  • Participate in peer reviews of designs and code.
  • Use programming and scripting languages such as C, C#, and Python.
  • Gain familiarity with Power BI and Ceedling Unit Test.
  • Apply embedded software and firmware testing techniques.
  • Use functional block diagrams, flow diagrams, state diagrams, and other product-development tools.
  • Collaborate with a team to produce well-rounded solutions.
  • Participate in scheduled meetings with assigned project teams and the firmware competency.
  • Develop understanding of basic electronics and use electrical tools such as a digital multimeter, oscilloscope, and digital logic analyzers.
Desired Qualifications
  • Knowledge of working with embedded microprocessors and their associated integrated development environment and tools.

About the company

Allegion provides security solutions for doors and surrounding entrances worldwide, serving homeowners, businesses, schools, and other organizations. Its products include mechanical locks, electronic access control systems, and biometric devices that verify identity and control entry. These solutions can work together in layered security setups and are supported by related services and maintenance. The company aims to help people move safely and smoothly through homes, workplaces, and public spaces while pursuing ESG commitments and responsible innovation.

Company Size

5,001-10,000

Company Stage

IPO

Headquarters

Dublin, Ireland

Founded

1908

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Simplify Jobs

Simplify's Take

What believers are saying

  • July 23, 2026 Allegion raised 2026 revenue growth guidance to 7.5%-8.5%.
  • August 25, 2026 XE360 RealSync expanded cloud control without gateways, wires, or hubs.
  • April 2026 buyback increase and $0.55 dividend return capital while free cash flow stays strong.

What critics are saying

  • July 2026 Q2 showed weaker European demand, forcing cost discipline in Allegion International.
  • Q1 2026 organic growth reached only 2.6%, signaling slow underlying demand beyond acquisitions.
  • Tariffs, ERP recovery, and restructuring charges hit 2026 margins; software-first rivals can commoditize locks.

What makes Allegion unique

  • Schlage, Von Duprin, and CISA anchor Allegion's trusted installed base across 120 countries.
  • RealSync and Aliro 1.0 position Allegion for cloud-managed, interoperable access control.
  • Campus-to-Community and multifamily integrations tie hardware, software, and mobile credentials together.

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Benefits

Competitive pay

PTO

Career development

More benefits

Growth & Insights and Company News

Headcount

6 month growth

11%

1 year growth

11%

2 year growth

11%
Yahoo Finance
Oct 1st, 2026
Allegion stock lags market with 6.4% return, trades at 16.5× forward P/E amid slow growth concerns

Allegion plc, a provider of security products and solutions, has underperformed the S&P 500, posting a 6.4% return compared to the index's 16.6% gain since April 2026. The company currently trades at $153.33 per share. Allegion demonstrates strong operational efficiency with an average operating margin of 19.8% over the past five years. Its free cash flow margin has expanded by 6.1 percentage points during this period, reaching 15.6% in the trailing 12 months. However, the company's organic revenue growth has been underwhelming, averaging 4.1% year-on-year over the past two years. This suggests potential challenges with product development, pricing, or market strategy. The stock currently trades at 16.5× forward price-to-earnings ratio.

Yahoo Finance
Sep 28th, 2026
Allegion falls 10.7% over 52 weeks, underperforms Nasdaq's 20.9% gain

Dublin-based Allegion plc, a global security products company specialising in door and access systems, has underperformed the Nasdaq Composite over the past year. The company's shares declined 10.7% over 52 weeks, whilst the Nasdaq gained 20.9% during the same period. Allegion, which manufactures mechanical and electronic locks and access control systems under brands including Schlage and Von Duprin, has a market capitalisation of approximately $13.1 billion. The stock has fallen 3% year-to-date, compared to the Nasdaq's 16.5% gain. The underperformance stems from modest organic growth, averaging 3.9% year-over-year over two years, and an earlier ERP disruption that affected production rates. However, shares gained 12.8% over the past three months.

Yahoo Finance
Jul 23rd, 2026
Allegion beats Q2 estimates with $1.15B revenue, stock soars 8.3%

Allegion, a security hardware provider, reported second-quarter revenue of $1.15 billion, beating analyst estimates by 3.1% and marking 12.7% year-on-year growth. The company's non-GAAP earnings of $2.40 per share exceeded consensus estimates by 8.3%. Adjusted EBITDA reached $296.7 million with a 25.8% margin, surpassing expectations by 7.9%. Organic revenue rose 6.9% year on year. Management raised its full-year adjusted earnings guidance to $8.93 at the midpoint, a 1.4% increase. Operating margin held steady at 22.1% compared to the same quarter last year, whilst free cash flow margin declined to 15.7% from 18.8%. Analysts project revenue growth of 4.2% over the next 12 months, representing a deceleration from recent performance. Allegion's market capitalisation stands at $12.03 billion.

PR Newswire
Jun 11th, 2026
Allegion unveils Schlage XE360 with RealSync at Apartmentalize 2026

Allegion US is unveiling new interoperable electronic access control solutions at NAA Apartmentalize 2026, including integrations between Schlage Zentra and Gatewise platforms. The security solutions provider is showcasing its Schlage XE360 Series with RealSync technology, which provides real-time connectivity via existing Wi-Fi infrastructure without requiring additional gateways or hubs. The company is expanding the XE360 hardware lineup with a new deadbolt option featuring an interchangeable FleX Module. Zentra and Gatewise are also collaborating on a guest access solution that replaces physical intercoms with QR code-based digital directory access. Allegion announced its Campus-to-Community experience, a mobile-first ecosystem for student housing. The solutions aim to give multifamily property managers centralized control from perimeter gates to apartment doors whilst reducing maintenance complexity.

Business Wire
Jun 2nd, 2026
Allegion CEO to present long-term strategy at Wells Fargo conference

Allegion president and CEO John H. Stone will present at the 2026 Wells Fargo Industrials & Materials Conference on 9 June at Loews Chicago Hotel. The session will focus on the company's long-term strategy and will be available via live webcast on Allegion's investor website. Allegion designs and manufactures security and access solutions, including locks, door hardware and access control systems under brands such as Schlage, Von Duprin and LCN. The company reported $4.1 billion in revenue in 2025. Its products serve residential and commercial markets globally.