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Mark Posthuma Jr Email & Phone Number

Principal Security Architect and Lead Engineer | Product Security Software at Boeing | Driving Evolution in Software Security | MSci/MBA at Boeing
Location: Monrovia, Maryland, United States 8 work roles 4 schools
2 work emails found @boeing.com 1 phone found area 312 LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

Contact Signals · 2 work emails · 1 phone

Work email m****@boeing.com
Direct phone (312) ***-****
LinkedIn Profile matched
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Current company
Boeing
Role
Principal Security Architect and Lead Engineer | Product Security Software at Boeing | Driving Evolution in Software Security | MSci/MBA
Location
Monrovia, Maryland, United States
Company size
119185 employees

Who is Mark Posthuma Jr? Overview

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Quick answer

Mark Posthuma Jr is listed as Principal Security Architect and Lead Engineer | Product Security Software at Boeing | Driving Evolution in Software Security | MSci/MBA at Boeing, a company with 119185 employees, based in Monrovia, Maryland, United States. AeroLeads shows a work email signal at boeing.com, phone signal with area code 312, and a matched LinkedIn profile for Mark Posthuma Jr.

Mark Posthuma Jr previously worked as Principal Security Architect/ Lead Engineer at Boeing and Senior Architect - Product Security Software/ DevSecOps at Boeing. Mark Posthuma Jr holds Master Of Business Administration (Mba), Business from University Of Maryland Global Campus.

Company email context

Email format at Boeing

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*@boeing.com
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Profile bio

About Mark Posthuma Jr

Senior Security Architect and Lead Engineer with experience implementing DevSecOps environments across cloud platforms. I work within the Enterprise Product Security Functional office, architecting secure cloud environments for DevSecOps.Experience leading Agile teams. Designated Subject Matter Expert (SME) and Technical Lead Engineer (TLE) for Cybersecurity and Product Security. Over 10 years of experience in systems security, 20 years in Systems Engineering. Experience in both aviation and defense systems, as well as corporate networks. Written Design Practice Playbooks for Security Test, Software Assurance, and Cyber Adversity.Clearance disclosure upon request. Education - MSci Cyber Security, MBA, BS Cyber SecurityMy comments and thoughts are my own.

Listed skills include Leadership, Fiber Optics, Information Security, Requirements Analysis, and 56 others.

Current workplace

Mark Posthuma Jr's current company

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Boeing
Boeing
Principal Security Architect and Lead Engineer | Product Security Software at Boeing | Driving Evolution in Software Security | MSci/MBA
Monrovia, MD, US
Website
boeing.com
Employees
119185
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Company profile
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8 roles

Mark Posthuma Jr work experience

A career timeline built from the work history available for this profile.

Role listed

Boeing

Monrovia, MD, US

Principal Security Architect/ Lead Engineer

Current
Boeing

Arlington, VA, US

Technical Lead Engineer for Software Product Security Functional Office. Responsible for road mapping capabilities for software security, establishing a vision for research and development, and program engagements for defense and aviation systems. Establishes Long Range Business Plan objectives and plans for funding software security.

Feb 2024 - Present

Senior Architect - Product Security Software/ Devsecops

Boeing

Arlington, VA, US

  • Boeing Subject Matter Expert (SME) for Product Security Software and DevSecOps
  • Identified and elevated Risks, Issues and Opportunities at both program and enterprise levels
  • Performed Cross division integration and leadership for BDS, BCA and BT&E
  • Created Boeing Security Design Practices and Playbooks for Cyber Test, Software Assurance and Cyber Adversity
  • Created cloud System Security Plan (SSP) templates for NIST800-171/ CMMC deployments and DFARS PMO approval and member of Security Review Board for reviewing and approving those deployments.
  • Senior Security Architect for DevSecOps deployments in cloud environments (AWS), Enterprise Product Security Software
May 2021 - Feb 2024

Lead Cybersecurity Systems Engineer

Boeing

Arlington, VA, US

  • Working knowledge of Cyber standards: DoD DevSecOps, NIST800 series, DoD 85xx, FIPS
  • Extensive knowledge of FAA system security standards and testing; DO178 and DO356 for multiple Design Assurance Level (DAL) development.
  • Created and led the first Product Security group within a Boeing subsidiary.
  • Led the Systems Integration and Test Team of 25 people for Boeing Avionics, including PQT, FQT unit test and run for score/ certification.
  • Responsible for interviewing and approving all security and test candidates.
  • Technical SME and IPT in Cyber Security, Information Assurance and Product Security
May 2018 - May 2021

Versatile Technologist

Boeing

Arlington, VA, US

  • Administrator for secured environment
  • Installed, configured, maintained and deployed Windows/ Linux workstations and servers for a user base of 400+ users.
  • Performed Enterprise Network Systems Administration on Linux and Windows Servers.
  • Performed Software deployment, testing and troubleshooting.
  • Managed multiple Rack Rooms, including stock, patching, upgrades and cable pulls.
  • Patching and server analysis based on cyber risk assessments.
Jun 2013 - May 2018

Systems Engineer

The Citadel Group

Frederick, MD, US

  • Engineered and designed low voltage control and networked systems.
  • Derived customer requirements into a functional design and provided sales engineering support.
  • Technical lead on integration and test engineering, as well as system design.
  • Provided Customer Support for Government customers (NIST, USDA) and technical training.
Oct 2011 - Aug 2013

Systems Engineer

Vsgi

Mclean, Virginia, US

- Design, Install, Test and Integrate Low Voltage Networked Control systems- Customer Training- System Updates/ Upgrades- Project Management

Feb 2011 - Sep 2011

Manufacture Engineering Manager

Nelson White Systems, Inc.

Baltimore, Maryland, US

- Managed Rack Manufacturing Department- Designed Low Voltage Control Systems- Integration with Sales Engineering and Project Management for designing systems based on customer requirements- Training of all field/ in-house technicians

Dec 2007 - Jun 2010
Team & coworkers

Colleagues at Boeing

Other employees you can reach at boeing.com. View company contacts for 119185 employees →

KA Karen Ali Karen Ali Colleague at BoeingMount Pleasant, South Carolina, United States, United States View → AT Alex Tainatongo Alex Tainatongo Colleague at BoeingHuntsville-Decatur-Albertville Area, United States View → NM Neerav Mani Neerav Mani Colleague at BoeingGreater Seattle Area, United States View → AO Alan Ostrowski Alan Ostrowski Colleague at BoeingMesa, Arizona, United States, United States View → LM Loyd Miyashiro Loyd Miyashiro Colleague at BoeingRenton, Washington, United States, United States View → BM Bradley Myers Bradley Myers Colleague at BoeingOklahoma City Metropolitan Area, United States View → JP Jeff Poskin Jeff Poskin Colleague at BoeingSeattle, Washington, United States, United States View → KL Karleigh Liberto Karleigh Liberto Colleague at BoeingDenham Springs, Louisiana, United States, United States View → T( Thuy (Joey) Duong Thuy (Joey) Duong Colleague at BoeingFountain Valley, California, United States, United States View → DL Douglas Lods Douglas Lods Colleague at BoeingEverett, Washington, United States, United States View →
4 education records

Mark Posthuma Jr education

Master Of Business Administration (Mba), Business

University Of Maryland Global Campus

Master Of Science (M.S.), Cybersecurity

University Of Maryland Global Campus

Bachelors Of Science, Computer Networks And Security

University Of Maryland Global Campus

Associate'S Degree, General Studies

Frederick Community College
FAQ

Frequently asked questions about Mark Posthuma Jr

Quick answers generated from the profile data available on this page.

What company does Mark Posthuma Jr work for?

Mark Posthuma Jr works for Boeing.

What is Mark Posthuma Jr's role at Boeing?

Mark Posthuma Jr is listed as Principal Security Architect and Lead Engineer | Product Security Software at Boeing | Driving Evolution in Software Security | MSci/MBA at Boeing.

What is Mark Posthuma Jr's email address?

AeroLeads has found 2 work email signals at @boeing.com for Mark Posthuma Jr at Boeing.

What is Mark Posthuma Jr's phone number?

AeroLeads has found 1 phone signal(s) with area code 312 for Mark Posthuma Jr at Boeing.

Where is Mark Posthuma Jr based?

Mark Posthuma Jr is based in Monrovia, Maryland, United States while working with Boeing.

What companies has Mark Posthuma Jr worked for?

Mark Posthuma Jr has worked for Boeing, The Citadel Group, Vsgi, and Nelson White Systems, Inc..

Who are Mark Posthuma Jr's colleagues at Boeing?

Mark Posthuma Jr's colleagues at Boeing include Karen Ali, Alex Tainatongo, Neerav Mani, Alan Ostrowski, and Loyd Miyashiro.

How can I contact Mark Posthuma Jr?

You can use AeroLeads to view verified contact signals for Mark Posthuma Jr at Boeing, including work email, phone, and LinkedIn data when available.

What schools did Mark Posthuma Jr attend?

Mark Posthuma Jr holds Master Of Business Administration (Mba), Business from University Of Maryland Global Campus.

What skills is Mark Posthuma Jr known for?

Mark Posthuma Jr is listed with skills including Leadership, Fiber Optics, Information Security, Requirements Analysis, Sound, Cisco Technologies, Windows 7 Migration, and Aerospace Engineering.

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