Iphone System Hardware Design Engineer
Current
Oct 2021 - Present
AeroLeads people directory · profile
Marcus O'Sullivan Email & Phone Number
iPhone System Hardware Design Engineer
at
Apple
1 work email found
@analog.com
1 phone found area 781
LinkedIn matched
✓ Verified August 2026
4 data sources
Profile completeness 100%
Current company
Role
iPhone System Hardware Design Engineer
Location
San Jose, California, United States
Company size
Who is Marcus O'Sullivan? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
Marcus O'Sullivan is listed as iPhone System Hardware Design Engineer at Apple, a with 218112 employees, based in San Jose, California, United States. AeroLeads shows a work email signal at analog.com, phone signal with area code 781, and a matched LinkedIn profile for Marcus O'Sullivan.
Marcus O'Sullivan previously worked as Senior Staff Field Application Engineer at Analog Devices and Senior Staff Applications Engineering Manager at Analog Devices. Marcus O'Sullivan holds Bachelor Of Engineering - Be, Electrical And Electronics Engineering from University Of Limerick.
Company email context
Email format at Apple
This section adds company-level context without repeating Marcus O'Sullivan's masked contact details.
{first}.{last}@analog.com
86% confidence
AeroLeads found 1 current-domain work email signal for Marcus O'Sullivan. Compare company email patterns before reaching out.
Profile bio
About Marcus O'Sullivan
Experienced and accomplished Electronics Engineer with a demonstrated history of working successfully in the semiconductors industry. Highly skilled in Power Management, Analog Circuit Design, System Level Architecture, System and Circuit Debug, CMOS and Mixed Signal. Excellent team management and interpersonal skills. Excited to be making a difference in the various technology ecosystems and industries!
Listed skills include Semiconductors, Ic, Mixed Signal, Analog, and 18 others.
Current workplace
Marcus O'Sullivan's current company
Company context helps verify the profile and gives searchers a useful next step.
Apple
5 roles
Marcus O'Sullivan work experience
A career timeline built from the work history available for this profile.
Senior Staff Field Application Engineer
Supporting key large scale customers in the datacenter and electric vehicle industries. Designing power management and mixed signal solutions for challenging high performance applications and assisting with system validation and debug. Collaboration on new system architectures and new product developments.
Nov 2017 - Oct 2021
Senior Staff Applications Engineering Manager
Business development, product definition and technical expertise for Hotswap controllers with the power management group. Special focus on communications industry. Managing product roadmap development. Working closely with key customers in the data-center industry, including processor reference designs. Collaboration with key customers in the development of Open Compute Project (OCP) for 12V and 48V datacenters. New IP and patent generation. Coaching and mentoring other team members. Field customer design and debug support. Presentations, seminars, tradeshows and technical articles . Printed circuit board (PCB) design, layout and simulation expertise.
Jul 2013 - Oct 2017
Staff Applications Engineer
Responsible globally for power management products specializing in auxiliary power functions such as Hotswap, digital power monitoring, sequencing and supervisory. European support for standard power products - DC-DC converters etc. Contributing to business development and product roadmaps. New IP and patent generation. Coaching, mentoring and managing other team members. Field customer design and debug support. Presentations, seminars, technical articles and customer engagement. Printed circuit board (PCB) design, layout and simulation expertise.
Jun 2004 - Jul 2013
Senior Test Engineer
Responsible for test development solutions for power management products. Test development plan generation. Test hardware design and verification. Software development. Test solution verification and production release. Contributed to new manufacturing flow developments. Developed new custom hardware solutions to overcome test system limitations.
Aug 1999 - Jun 2004
Team & coworkers
Colleagues at Apple
Other employees you can reach at apple.com. View company contacts for 218112 employees →
ML
Mandy Lawton
Colleague at AppleCobh, Ireland
View →
AK
Akash Koley
Colleague at AppleRajarhat, West Bengal, India
View →
DS
Darcy Starr Arnold
Colleague at AppleCharleston County, South Carolina, United States
View →
RK
Rawabi Khalid
Colleague at AppleRiyadh, Saudi Arabia
View →
JS
James Smith
Colleague at ApplePortland, Oregon, United States
View →
AK
Abderrahman Knizia
Colleague at AppleKenitra, Rabat-Salé-Kénitra, Morocco
View →
DJ
Devidas Jadhav
Colleague at AppleSolapur South, Maharashtra, India
View →
RC
Rita Castro
Colleague at AppleUnited States
View →
SK
Shaibu Kamalamma
Colleague at AppleLos Angeles Metropolitan Area, United States
View →
MS
Motamarri Suribabu
Colleague at AppleEast Godavari, Andhra Pradesh, India
View →
Mandy Lawton
Colleague at AppleCobh, Ireland
View →
AK
Akash Koley
Colleague at AppleRajarhat, West Bengal, India
View →
DS
Darcy Starr Arnold
Colleague at AppleCharleston County, South Carolina, United States
View →
RK
Rawabi Khalid
Colleague at AppleRiyadh, Saudi Arabia
View →
JS
James Smith
Colleague at ApplePortland, Oregon, United States
View →
AK
Abderrahman Knizia
Colleague at AppleKenitra, Rabat-Salé-Kénitra, Morocco
View →
DJ
Devidas Jadhav
Colleague at AppleSolapur South, Maharashtra, India
View →
RC
Rita Castro
Colleague at AppleUnited States
View →
SK
Shaibu Kamalamma
Colleague at AppleLos Angeles Metropolitan Area, United States
View →
MS
Motamarri Suribabu
Colleague at AppleEast Godavari, Andhra Pradesh, India
View →
1 education record
Marcus O'Sullivan education
FAQ
Frequently asked questions about Marcus O'Sullivan
Quick answers generated from the profile data available on this page.
What company does Marcus O'Sullivan work for?
Marcus O'Sullivan works for Apple.
What is Marcus O'Sullivan's role at Apple?
Marcus O'Sullivan is listed as iPhone System Hardware Design Engineer at Apple.
What is Marcus O'Sullivan's email address?
AeroLeads has found 1 work email signal at @analog.com for Marcus O'Sullivan at Apple.
What is Marcus O'Sullivan's phone number?
AeroLeads has found 1 phone signal(s) with area code 781 for Marcus O'Sullivan at Apple.
Where is Marcus O'Sullivan based?
Marcus O'Sullivan is based in San Jose, California, United States while working with Apple.
What companies has Marcus O'Sullivan worked for?
Marcus O'Sullivan has worked for Apple and Analog Devices.
Who are Marcus O'Sullivan's colleagues at Apple?
Marcus O'Sullivan's colleagues at Apple include Mandy Lawton, Akash Koley, Darcy Starr Arnold, Rawabi Khalid, and James Smith.
How can I contact Marcus O'Sullivan?
You can use AeroLeads to view verified contact signals for Marcus O'Sullivan at Apple, including work email, phone, and LinkedIn data when available.
What schools did Marcus O'Sullivan attend?
Marcus O'Sullivan holds Bachelor Of Engineering - Be, Electrical And Electronics Engineering from University Of Limerick.
What skills is Marcus O'Sullivan known for?
Marcus O'Sullivan is listed with skills including Semiconductors, Ic, Mixed Signal, Analog, Semiconductor Industry, Analog Circuit Design, Power Management, and Soc.
Find 750M verified contacts
Search by job title, company, industry, location, and seniority. Export verified B2B contact data when you need it.
Start free trialPeople with similar names
Check these profiles if this is not the Marcus O'Sullivan you were looking for.
Marcus O'Sullivan
2 email domains
Marcus O'Sullivan
1 email domain
Marcus O'Sullivan
5 email domains