Software Sr Engineer - iOS

RSA Security; Massachusetts; On-site; USD 100,000 - 140,000; Full time

Benefits offered by this job

Annual bonus eligibility

Health insurance

Disability insurance

Life insurance

401(k) with company matching

Flexible paid time off

Job summary

RSA Security is seeking a Senior iOS Engineer to join the engineering team in a fast-paced security-focused environment. You will contribute to building secure mobile solutions using Swift, Objective-C, and C/C++, while applying MVVM or Clean Architecture principles and modern concurrency.

You will collaborate with experienced engineers to design, implement, and test enterprise-grade iOS apps, ensuring robust security, performance, and seamless user experiences across devices and configurations.

Qualifications

• 5+ years of professional software engineering experience, with 3+ years in native iOS.
• Strong Swift, Objective-C, and C/C++ expertise.
• Experience with SwiftUI, UIKit, and Storyboards in enterprise apps.

Responsibilities

• Develop secure, high-quality iOS applications with modern architecture.
• Collaborate with a senior technical team to deliver scalable features.

Skills

Swift

Objective-C

C/C++

SwiftUI

UIKit/Storyboards

MVVM/Clean Architecture

Concurrency

Communication

Education

5+ years software engineering

3+ years native iOS development

Tools

Apple Security framework

CryptoKit

Keychain API

Core Data

REST APIs

App Store Connect

CI/CD security tools

Job description

Software Sr Engineer-IOS

RSA provides trusted identity and access management for 12,000 organizations around the world, managing 25 million enterprise identities and providing secure, convenient access to millions of users. RSA specializes in empowering security-first organizations in financial services, healthcare, energy, technology services, and other industries to thrive in a digital world, delivering complete capabilities for modern authentication, access, lifecycle management, and identity governance. Whether in the cloud or on-premises, RSA connects people with the digital resources they depend on everywhere they live, work, and play. For decades, RSA has pioneered many of the encryption, authentication, and identity federation technologies that still power the internet. And now RSA is transforming the industry yet again, paving the way for the future of digital identity through the RSA Unified Identity Platform; next-generation hybrid and cloud solutions; the first ever and only multi-functional, passwordless hardware authenticator; and a frictionless, mobile-optimized experience for the modern workforce. If you are self-motivated and looking for a fast-paced challenge doing something that truly matters, come join our winning team! For more information, go to rsa.com.

Principal Responsibilities

We are seeking a talented and security-minded Senior iOS Engineer to join our engineering team. This is a chance to work on products that matter, alongside some of the most experienced engineers in the industry. This role is a strong fit for someone who enjoys deep technical challenges, likes building elegant solutions to complex problems, and wants to keep growing. You will be joining a team that values technical excellence, curiosity, ownership, and creative thinking. The environment is flexible and entrepreneurial, with room to explore ideas, move quickly, and make a real impact. You will have the opportunity to learn from highly experienced developers and security experts. You will work closely with people who have solved difficult engineering problems in the real world, and who care deeply about building great software.

Skills

• Deep understanding and mastery of Swift, Objective-C and C/C++.
• Strong expertise in SwiftUI , UIKit and Storyboards, ensuring UI/UX flows remain highly intuitive while adhering to enterprise security constraints.
• Proven experience with architectural patterns such as MVVM or Clean Architecture, along with asynchronous and concurrency concepts.
• Strong analytical skills and a habit of thinking outside the box.
• A builder mindset with the ability to work independently and take ownership.
• Clear communication skills and the ability to collaborate with a high-level technical team.

Preferred Qualifications

• Hands-on experience with the Apple Security framework, CryptoKit, and the Keychain API. Understanding of cryptographic principles (AES, RSA, ECC, hashing).
• Experience with Core Data.
• Deep understanding of secure networking, REST APIs, and mitigating man-in-the-middle (MITM) attacks.
• Experience with App Store Connect, enterprise provisioning profiles (MDM/MAM environments is a plus), and secure release pipelines.
• Experience with automated security scanning tools integrated into CI/CD pipelines.
• Experience working in cybersecurity, identity, fraud prevention, device security or related domains.
• Knowledge of performance optimization, and hardening mobile apps.

Education & Experience

• Experience: 5+ years of professional software engineering experience, with 3+ years dedicated specifically to native iOS development.

EEO Language For US Job Descriptions

Pay Range $100,000 - $140,000

Full-time, non-Sales US employees are also eligible for annual discretionary bonuses that are funded based on prior year company performance. RSA Sales team members are eligible to participate in company commission plans.

In addition, RSA offers its eligible US employees a comprehensive array of benefit programs including flexible paid-time-off, health, disability, and life insurance, and a 401(k) retirement plan with company matching contributions.

RSA is committed to the principle of equal employment opportunity for all employees and applicants for employment and to providing employees with a work environment free of discrimination and harassment. All employment decisions at RSA are based on business needs, job requirements and individual qualifications, without regard to race, color, religion, national origin, sex (including pregnancy), age, disability, sexual orientation, gender identity and/or expression, marital, civil union or domestic partnership status, protected veteran status, genetic information, or any other characteristic protected by federal, state or local laws. RSA will not tolerate discrimination or harassment based on any of these characteristics. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training. All RSA employees are expected to support this policy and contribute to an environment of equal opportunity.

If you need a reasonable accommodation during the application process, please contact [e-mail]. All employees must be legally authorized to work in the US. RSA and its approved consultants will never ask you for a fee to process or consider your application for a career with RSA. RSA reserves the right to amend or withdraw any job posting at any time, including prior to the advertised closing date.

The Pay Range For This Role Is

100,000 - 140,000 USD per year(Burlington)