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Senior MacOS Internals Lead Engineer Job Opening In Bogotá – Now Hiring Sur


Job description

We're looking for a Senior macOS Internals Lead Engineer to drive the development of low-level security and compatibility functionality.

You will lead a team of exceptional engineers while remaining deeply hands-on—writing code, reverse engineering OS behavior, and directly owning key system-level components.

Your team’s mission is to expand macOS application compatibility and harden endpoint security by deeply understanding and integrating with macOS internals.

This role is ideal for someone who thrives on technical challenges, understands macOS at a deep level, is not afraid of reverse engineering and can mentor others while shipping production code.

What You Will Do:

  1. Design and implement security features using macOS frameworks such as Endpoint Security and Network Extensions.
  2. Reverse engineer macOS internals and application interactions to enhance product compatibility and security.
  3. Develop, debug, and optimize complex system-level code in C++, Swift, and Objective-C, adhering to secure coding best practices.
  4. Investigate and resolve issues related to macOS system extensions, launch services, XPC, and sandboxing.
  5. Act as a force multiplier by reviewing team designs and code, offering architectural direction, and coaching team members on best practices.
  6. Document technical findings, architectural designs, and implementation details
  7. Collaborate with QA, product, and support teams to ensure high-quality, secure, and testable deliverables.
  8. Stay updated on macOS updates and security mechanisms in order to inform development.

Requirements

  1. 7+ years of systems programming experience with a focus on macOS internals, frameworks, and security
  2. Proven track record of delivering complex macOS features to productions with hands on coding in C++, Swift, Objective-C
  3. Deep expertise in macOS frameworks, including Endpoint Security, Network Extensions, Accessibility, Launch Services, File Providers, daemons, XPC and FSEvents
  4. Advanced skills in reverse engineering MacOS components using tools like Ghidra, Frida,IDA, Hopper, lldb or other tools of your choice.  You’re not afraid to look at XNU sources.
  5. Strong understanding of macOS security mechanisms, including TCC, SIP, Gatekeeper.
  6. Experience with debugging complex architectures on MacOS (system extensions, endpoint security, network extensions, launch services, XPC).
  7. Ability to produce high-quality, testable, maintainable and secure code

Nice to have:

  1. Expertise with Network Extensions, DriverKit, network protocols, proxies.
  2. Expertise with APFS, file system internals.
  3. C# / .Net experience is a plus.

Benefits

Salary: $10,000 - $15,000 USD /month + Holidays

Unlimited PTO

Required Skill Profession

Computer Occupations


  • Job Details

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Unlock Your Senior MacOS Potential: Insight & Career Growth Guide


Real-time Senior MacOS Jobs Trends (Graphical Representation)

Explore profound insights with Expertini's real-time, in-depth analysis, showcased through the graph here. Uncover the dynamic job market trends for Senior MacOS in Bogotá, Colombia, highlighting market share and opportunities for professionals in Senior MacOS roles.

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Are You Looking for Senior MacOS Internals Lead Engineer Job?

Great news! is currently hiring and seeking a Senior MacOS Internals Lead Engineer to join their team. Feel free to download the job details.

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The Work Culture

An organization's rules and standards set how people should be treated in the office and how different situations should be handled. The work culture at Sur adheres to the cultural norms as outlined by Expertini.

The fundamental ethical values are:

1. Independence

2. Loyalty

3. Impartiapty

4. Integrity

5. Accountabipty

6. Respect for human rights

7. Obeying Colombia laws and regulations

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The average salary range for a varies, but the pay scale is rated "Standard" in Bogotá. Salary levels may vary depending on your industry, experience, and skills. It's essential to research and negotiate effectively. We advise reading the full job specification before proceeding with the application to understand the salary package.

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Key qualifications for Senior MacOS Internals Lead Engineer typically include Computer Occupations and a list of qualifications and expertise as mentioned in the job specification. The generic skills are mostly outlined by the . Be sure to check the specific job listing for detailed requirements and qualifications.

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Interview Tips for Senior MacOS Internals Lead Engineer Job Success

Sur interview tips for Senior MacOS Internals Lead Engineer

Here are some tips to help you prepare for and ace your Senior MacOS Internals Lead Engineer job interview:

Before the Interview:

Research: Learn about the Sur's mission, values, products, and the specific job requirements and get further information about

Other Openings

Practice: Prepare answers to common interview questions and rehearse using the STAR method (Situation, Task, Action, Result) to showcase your skills and experiences.

Dress Professionally: Choose attire appropriate for the company culture.

Prepare Questions: Show your interest by having thoughtful questions for the interviewer.

Plan Your Commute: Allow ample time to arrive on time and avoid feeling rushed.

During the Interview:

Be Punctual: Arrive on time to demonstrate professionalism and respect.

Make a Great First Impression: Greet the interviewer with a handshake, smile, and eye contact.

Confidence and Enthusiasm: Project a positive attitude and show your genuine interest in the opportunity.

Answer Thoughtfully: Listen carefully, take a moment to formulate clear and concise responses. Highlight relevant skills and experiences using the STAR method.

Ask Prepared Questions: Demonstrate curiosity and engagement with the role and company.

Follow Up: Send a thank-you email to the interviewer within 24 hours.

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Turn Off Phone: Avoid distractions during the interview.

Final Thought:

To prepare for your Senior MacOS Internals Lead Engineer interview at Sur, research the company, understand the job requirements, and practice common interview questions.

Highlight your leadership skills, achievements, and strategic thinking abilities. Be prepared to discuss your experience with HR, including your approach to meeting targets as a team player. Additionally, review the Sur's products or services and be prepared to discuss how you can contribute to their success.

By following these tips, you can increase your chances of making a positive impression and landing the job!

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