# Jack Carrozzo

> Building stuff

Location: Sunnyvale, California, United States
Profile: https://flows.cv/jackcarrozzo

Projects and assorted diatribes: http://crepinc.com  ;;  https://github.com/jackcarrozzo

Doing a lot of DSP and dynamics / kinematics lately, mostly in Common Lisp, C, and verilog. Real-time Linux stuff (RT-PREEMPT). Radars, autonomous soaring robots, manufacturing machines.

Good at finding and pragmatically improving bottlenecks in sw and hw.

Also good at software + hardware implementing networks of various types. 

Also have implemented a lot of RF / microwave stuff.

## Work Experience
### Wireless Communications Software Engineer @ Apple
Jan 2025 – Present
Apple Hardware Engineering - Satellite Connectivity Group - PHY DSP

### RF Engineer, HW+SW @ AMSAT
Jan 2025 – Present
Analog RF + FPGA DSP + embedded software for SDR platform, transponder (volunteer, nonprofit)

### Chair, Product Committee @ PeeringDB
Jan 2024 – Present
(volunteer, nonprofit)

### Me @ Engineering Consulting
Jan 2011 – Jan 2025 | Webster, Massachusetts, United States
Embedded systems, kernel hw integrations, realtime streams, RF and signals processing, mixed signal PCB and CAD, prototype manufacturing and bringup, network visibility and distributed automation software

### Principal Software Engineer, Platform Group Lead @ Nasuni
Jan 2019 – Jan 2023
Platform group team lead-

Integration of fuse, XFS, SMB (samba), kernel NFS, Windows AD/ACLs/ACEs interaction, and network mgmt into a widely deployed linux image. Feature design and prototyping, core dump and packet capture inspection, virtual networking infra for bug repro (IP namespaces), kernel and IO selection and tuning. Physical infra and vm performance harness development for protocol timing sampling and analysis.

### Sr. Software Engineer @ Bose Corporation
Jan 2018 – Jan 2019
Cloud services, health devices. Highly distributed, global, fault tolerant ingestion of time series and async data and their shard-aware unions

### Sr Software Eng, Backend Team Lead @ Bedrock Data
Jan 2014 – Jan 2017 | Boston, Massachusetts, United States
Polled data from every api known to man, canonicalized types and refs, pushed internally consistent dataset back to a jillion apis.

### Senior Software Engineer @ Zen-fire
Jan 2013 – Jan 2014 | Chicago, Illinois, United States
- Wrote statistical and indicator plugins to HTML5 front end with supporting async Python back ends 
- Built and supported Python and C interfaces between external services and internal AMQP messaging queues

### Director of Engineering @ ACR
Jan 2011 – Jan 2013 | New York, United States
Deployed and maintained 13-hop low latency microwave path nyc-chicago (NY4-CH1) while designing implementing and testing custom hw for next rev / additional arb paths. Managed 5 engineers, 4 techs, and back office, balancing development and SLA improvements with day-to-day operations. Built out extensive monitoring and oob network with automated hotpath reconfiguration across >50 heterogeneous channel segments. Some PCF and optical ptp.

### Infrastructure Engineering @ Zen-Fire
Jan 2010 – Jan 2011
Graphed metrics, put out fires, automated a variety of things

### Developer @ Energy Inside
Jan 2009 – Jan 2010
Built and supported the whole platform from front to back.

### Founder @ Paraproc
Jan 2009 – Jan 2010
Sold linux VMs and tunnels. Automated mgmt of BGP, OSPF, and vlans through admin and customer portal.

### RF Engineer @ Verizon Wireless
Jan 2008 – Jan 2009
Modeled new site options, swept new sites, made pretty maps. Helped with initial test rollout of 700mhz LTE to first US market (NEE).

### RF Engineer @ Applied Communications
Jan 2008 – Jan 2008
Designed in-building cellular and public safety repeater (BDA) systems using integrated off-the-shelf (though purpose-specific) hardware. Went on site around Boston metro to debug or sweep projects.

### Undergraduate Engineer @ WPI
Jan 2007 – Jan 2008 | Worcester
Designed and manufactored the controls and mechanics of a CNC mill Jigg Grinder extension to hold 60 millionths of an inch for a global ceramics and advanced materials company.

### Intern, Unix and Network Admin @ Ithaka
Jan 2004 – Jan 2006 | Princeton NJ
Interned during the summers for the org at Princeton U responsible for JStor, Artstor, and other academic archives. Wrote management applications in PHP, Perl, C, and Bash script. Did a lot of work with SNMP, MRTG, and RRDtool to graph and monitor everything under the sun. Learned several ways not to poke enormous solaris 8 boxes.


## Education
### Worcester Polytechnic Institute


## Contact & Social
- LinkedIn: https://linkedin.com/in/jackcarrozzo
- Portfolio: http://www.crepinc.com/

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Source: https://flows.cv/jackcarrozzo
JSON Resume: https://flows.cv/jackcarrozzo/resume.json
Last updated: 2026-04-10