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John Ontko Email & Phone Number

Project / Business Manager at Deloitte
Location: Great Mills, Maryland, United States 5 work roles 3 schools
1 work email found @deloitte.com LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

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Work email j****@deloitte.com
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Current company
Role
Project / Business Manager
Location
Great Mills, Maryland, United States
Company size

Who is John Ontko? Overview

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Quick answer

John Ontko is listed as Project / Business Manager at Deloitte, a company with 295722 employees, based in Great Mills, Maryland, United States. AeroLeads shows a work email signal at deloitte.com and a matched LinkedIn profile for John Ontko.

John Ontko previously worked as Project Delivery Manager at Deloitte and Branch Chief / Project Manager at Landwarnet. John Ontko holds Associate Of Science - As, Turf And Turfgrass Management from Penn State University.

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Email format at Deloitte

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{first_initial}{last}@deloitte.com
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Profile bio

About John Ontko

Experienced and accomplished Veteran with over 20 years of operational expertise in Project Management with experience in Network Engineering, Network Operations, Enterprise Services, and Information Assurance. Versatile abilities include Project Management, Information Systems Management, Knowledge Management, Budgeting, Logistics, Leadership and Team Building.

Listed skills include Security Clearance, Army, Security, Information Assurance, and 46 others.

Current workplace

John Ontko's current company

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Deloitte
Deloitte
Project / Business Manager
new york, new york, united states
Website
Employees
295722
AeroLeads page
5 roles

John Ontko work experience

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

Project Delivery Manager

Current

Lexington Park, Maryland

Aug 2015 - Present

Branch Chief / Project Manager

Landwarnet

Washington D.C. Metro Area

  • Provide senior project management of the planning and execution of the Army’s, multi-billion dollar, tactical network modernization for 2014 and 2015; entrusted with the synchronization and prioritization of executive.
  • Conducted cross-functional coordination between multiple senior level and external agencies to ensure requirements compliance, adherence to timelines, and de-confliction / resolution of short notice budgetary and.
  • Lead the Plans and Execution branch in support of the Army’s Capability Set Fielding; the modernized tactical network from the division level to the Soldier level, integrating terrestrial and satellite network.
  • Utilized the Agile process and KanBan throughout the SDLC, emphasizing resource requirements, scheduling and production development, risk analysis, and fiscal responsibility from project identification to project.
  • Developed and manage distributed collaboration capabilities to address the change management and configuration management adjustments that had to be established due to sequestration and governmental budget adjustments.
  • Coordinated with multiple vendors and material providers to ensure production, integration, testing, and budget schedules remain within approved constraints.
Feb 2012 - Apr 2015

Logistical Operations Manager

10Th Sustainment Bde

Ft. Drum, NY

  • Logistics operations manager of a major international logistical port (multi-modal) located in Afghanistan, supporting over 10 nations and 50,000 military forces with vital supplies.
  • Sustainment Automation Support Management Officer for the 10th Mountain Division by providing analysis, technical guidance, and resolution for Logistics Information Systems (LIS); to include acquisition planning.
  • Coordinated over $6M of industrial infrastructure improvement projects designed to increase port productivity while decreasing the processing time for imported and exported goods throughout the port by 11%.
  • Conducted business and system analysis on logistical operations at the Port of Hairatan, resulting in savings to the Afghanistan government of over $50M annually in service, usage, and demurrage fees.
  • Tracked and monitored the movement of supplies from the United States, across various routes throughout Europe and Asia utilizing active and passive RFID tracking devices and scanning systems.
  • Developed 80 military and civilian personnel from five separate organizations into a cohesive team focused on tracking and facilitating the movement of all logistical supplies entering the country to support all ISAF.
Feb 2010 - Feb 2012

Department Head; Communications And Information Systems

North Atlantic Treaty Organization

Izmir, Turkey

  • Overall communications manager, supporting the NATO Air headquarters in Izmir, Turkey with all network transport systems, messaging systems, and nuclear communication systems.
  • Utilized Bandwidth Management Equipment (BME), SCREAM, and Packet Transfer Command (PTC) to control all routing, switching, messaging, and nuclear communications supporting a primary HQ and emergency hot site.
  • Merged over 20 senior level technicians from 8 countries into a cohesive network management team at two separate locations supporting over 500 users.
  • Reduced the unplanned messaging outages by 90% through identification of the systemic root causes of the system failures and served as the project manager to relocate the system to a secured emergency hot site.
  • Coordinated Role Based Access Control (RBAC), authentication, and privileged access for the management of all NATO transport systems supporting the Air HQ at Izmir, Turkey.
  • Chairman of the Configuration Management Board (CMB), ensuring all hardware and software systems were consistent across their performance, function, and interoperability within operational network throughout its.
Oct 2009 - Oct 2010

Communications Manager

1St Cavalry Division

Ft. Hood, TX

  • Primary manager of all communications, information systems, and information security utilized throughout the organization, supporting operational, training, and planning efforts.
  • Constructed and deployed Enterprise services consisting of Microsoft Servers, Microsoft Active Directory, Microsoft Exchange, Microsoft IIS, WSUS, VMWare virtualization, file and print servers, and network attached.
  • Leveraged Solar Winds Network Monitoring tools to manage network utilization and identify potential throughput choke points before they became a problem across the network.
  • Planned, implemented and maintained a mesh voice and data network in the National Capital Region to support homeland defense and protection of national assets.
  • Integration of Command, Control, Communications, Computers, Intelligence, Surveillance and Reconnaissance (C4ISR) capabilities from four divergent organizational platforms and technologies into one cohesive network.
  • Planning, implementing and maintaining the first-ever tactical Air Defense radio network in the National Capital Region to support homeland defense and protection of national.
Jul 2001 - Sep 2009
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Colleagues at Deloitte

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3 education records

John Ontko education

Education record

Information Technology Training

CISSP PMP (PMBOK) Advanced Tactical Networking Digital Leader Planning and Implementing Microsoft Windows Server 2003 Planning and.

FAQ

Frequently asked questions about John Ontko

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

What company does John Ontko work for?

John Ontko works for Deloitte.

What is John Ontko's role at Deloitte?

John Ontko is listed as Project / Business Manager at Deloitte.

What is John Ontko's email address?

AeroLeads has found 1 work email signal at @deloitte.com for John Ontko at Deloitte.

Where is John Ontko based?

John Ontko is based in Great Mills, Maryland, United States while working with Deloitte.

What companies has John Ontko worked for?

John Ontko has worked for Deloitte, Landwarnet, 10Th Sustainment Bde, North Atlantic Treaty Organization, and 1St Cavalry Division.

Who are John Ontko's colleagues at Deloitte?

John Ontko's colleagues at Deloitte include Bassam Fares, Mba, 巻口歩翔, Monique De Waal, Meghan Whealan, and Esther Daopuye.

How can I contact John Ontko?

You can use AeroLeads to view verified contact signals for John Ontko at Deloitte, including work email, phone, and LinkedIn data when available.

What schools did John Ontko attend?

John Ontko holds Associate Of Science - As, Turf And Turfgrass Management from Penn State University.

What skills is John Ontko known for?

John Ontko is listed with skills including Security Clearance, Army, Security, Information Assurance, Military, Program Management, Military Operations, and Military Experience.

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