Staff Android Systems Engineer

• Design and implement Android system services and framework extensions specifically for Camera HAL
• Define service ownership boundaries and IPC architecture using Binder/AIDL.
• Review and optimize service startup dependencies and lifecycle management.

Security, SELinux & Permissions

• Define Android security architecture and least-privilege access models.
• Create and maintain robust SELinux policies.
• Design secure permission models and privileged application strategies.
• Review system components for compliance with Android security best practices.

Boot Flow & System Initialization

• Architect complete Android boot sequences from bootloader to application launch.
• Optimize boot performance and startup reliability.
• Define initialization flows involving init.rc, native daemons, services, and framework components.

Provisioning & Device Management

• Design factory provisioning and first-boot experiences.
• Architect enrollment, device configuration, identity management, and secure onboarding flows.
• Define manufacturing and field provisioning strategies.

OTA & Software Lifecycle Management

• Design OTA update architecture, including A/B updates and rollback strategies.
• Define software release, upgrade, and software maintenance processes.
• Ensure software update reliability, security, and fleet-scale manageability.

Technical Leadership

• Perform architecture reviews and design assessments.
• Guide teams toward robust solutions rather than short-term fixes.

We are seeking a highly experienced Staff Android Systems Engineer to lead the design and evolution of Android-based embedded systems. This position is at the client offices, 5 days a week in downtown San Francisco. This role is intended for an engineer who understands how Android platform components should be architected from the ground up.

The ideal candidate possesses deep expertise across the Android software stack and can make sound architectural decisions spanning boot flow, security, provisioning, OTA strategy, system services, permissions, SELinux policies, and Camera HAL integration. The candidate should be capable of defining scalable, maintainable platform designs and guiding teams through implementation., * BS/MS in Computer Science, Computer Engineering, Electrical Engineering, or equivalent experience.

• 10+ years of Android platform and embedded Linux development experience.
• Deep knowledge of Android architecture
• Strong expertise with:
• Android System Services
• Binder IPC
• AIDL/HIDL
• SELinux
• Android Permissions Framework
• OTA update systems
• Device provisioning
• Camera HAL
• Android boot process
• AOSP internals
• Strong programming skills in:
• C/C++/Rust
• Java/Kotlin
• Python and Shell scripting
• Experience with:
• AOSP customization
• Android framework modifications
• System-level debugging
• Embedded Linux platforms

Preferred additional skills, personal traits and experience

PREFERRED QUALIFICATIONS

• Experience with Qualcomm platform.
• Camera subsystem expertise including sensor integration, ISP pipelines, and Camera HAL3.
• Knowledge of Verified Boot, AVB, TrustZone, TEE, and secure provisioning.
• Familiarity with CTS/VTS/GTS certification processes.
• Experience supporting large-scale commercial Android products.

Soft Skills

• Strong problem-solving and analytical skills
• Ability to work in fast-paced, client-facing environments
• Excellent communication and collaboration skills
• Adaptability to changing requirements and priorities
• Team player
• Proactiveness in collaborating and execution
• Flexibility to switch technical context
• Willingness to learn new methods/tools/processes
• Ability to prioritize, multitask, and take ownership
• Strong problem-solving and critical-thinking skills
• Strong communication and interpersonal skills

Referral program, Paid parental leave, Parental leave, 401(k), 401(k) matching, Paid time off, Health savings account, Flexible spending account San Francisco Bay Area, CA, The annual salary range for this role is $140,000 - $190,000 per year. The Annual Salary depends upon various job-related factors such as professional background, training, work experience, location, business needs, and market demand. This range is subject to change and may be modified in the future.

Sigma Connectivity, Inc. also offers a comprehensive benefits package that includes the following:

• Paid Time off/Vacation and Paid Holidays
• 401(k)
• 401(k) matching
• Life insurance
• Flexible Spending Account (FSA): Healthcare and Dependent Care
• Health Savings Account (HSA)
• Paid Parental Leave
• Paid Bereavement Leave
• Employee Assistance Program
• Employee and Customer Referral Program
• For positions in California, long-term and short-term disability insurance

Sigma Connectivity Inc., an engineering services company with its roots in mobile phone innovation at Sony Ericsson and Sony, stands as a distinguished design house. Our team, comprising over 700 skilled engineers based primarily in Lund, Southern Sweden, specializes in developing connected consumer electronics and IoT devices through dedicated in-house projects. Equipped with the necessary talent, expertise, and state-of-the-art laboratories, we are adept at bringing the market’s most challenging projects to life. Our operations stretch across San Jose, San Diego, Seattle, and New York, ensuring a comprehensive national presence. As we continue to expand, we are on the lookout for versatile and dynamic individuals eager to contribute to our growth. At Sigma Connectivity Inc, our culture is grounded in the exchange of knowledge and experiences, underpinned by a Scandinavian approach to work-life balance and a commitment to our team’s well-being. Here, you’ll Never Work Alone; instead, you’ll be part of a collaborative and supportive environment, ready to explore new horizons together.