David Sims
AeroLeads people directory · profile

David Sims Email & Phone Number

Chief Executive Officer at McMahon Services
Location: Greater Melbourne Area, Australia 16 work roles 2 schools
1 work email found @johnholland.com.au 2 phones found area 143 LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 2 phones

Work email d****@johnholland.com.au
Direct phone (143) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Chief Executive Officer
Location
Greater Melbourne Area, Australia
Company size

Who is David Sims? Overview

A concise factual answer block for searchers comparing this professional profile.

Quick answer

David Sims is listed as Chief Executive Officer at McMahon Services, a with 624 employees, based in Greater Melbourne Area, Australia. AeroLeads shows a work email signal at johnholland.com.au, phone signal with area code 143, and a matched LinkedIn profile for David Sims.

David Sims previously worked as General Manager at John Holland and Member Board of Directors at Wellness In Infrastructure. David Sims holds Ph. D, Physics from University Of Melbourne.

Company email context

Email format at McMahon Services

This section adds company-level context without repeating David Sims's masked contact details.

{first}.{last}@johnholland.com.au
86% confidence

AeroLeads found 1 current-domain work email signal for David Sims. Compare company email patterns before reaching out.

Profile bio

About David Sims

An experienced Infrastructure and Defence executive, David has accelerated growth and improved performance for large scale companies providing design, project management, manufacturing, construction and maintenance services. David has held senior leadership positions within high profile firms in the Defence, Infrastructure, Building and Telecommunications sectors. An entrepreneurial leader, David is able to maintain focus on both client objectives and company bottom lines. This approach has enabled significant achievements in highly competitive markets, delivering solutions for clients and partners involving a wide spectrum of commercial structures and contract forms across the full project/product life-cycle. All this has been achieved whilst driving a safety culture that is focussed on “Zero Harm” to his teams and our environment. David enjoys the challenge and rewards of mentoring and developing talented people towards their full capability, helping them attain their career aspirations.David has a strong technical background and significant international experience; he holds a Ph. D in Physics from the University of Melbourne Specialities;-Business Leadership, Organisational Change, Strategy & Planning.-P&L Management, Operations Management, Project Management, Risk Management, Engineering-Client relations, Business Development, Capture Strategies, Tendering & Commercial negotiations

Listed skills include Contract Management, Engineering, Project Management, Project Planning, and 17 others.

Current workplace

David Sims's current company

Company context helps verify the profile and gives searchers a useful next step.

McMahon Services
Mcmahon Services
Chief Executive Officer
Melbourne, VIC, AU
Employees
624
AeroLeads page
16 roles

David Sims work experience

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

General Manager

Current

Melbourne Cbd, Victoria, Au

General Manager of John Hollands Infrastructure business in Vic/SA/Tas. P&L responsibility across this region, as well as client relationships and strategy development/delivery.

Sep 2023 - Present

Member Board Of Directors

Current

Melbourne, Victoria, Au

Founding board member of the Wellness in Infrastructure organisation. Wellness in Infrastructure is a non-profit organisation aimed at identifying and delivering initiatives to tangibly and sustainably improve the mental health outcomes for employees within the infrastructure construction sector.

Aug 2023 - Present

Chairperson

Current
Victorian Major Infrastructure Contractors Forum

Board member and current Chairperson of the VMICF. The VMICF was formed to provide a voice for the major civil contractors in Victoria

May 2017 - Present

General Manager - Victoria & Tasmania

Richmond , Victoria, Au

Profit and loss accountability for the McConnell Dowell business in Victoria and Tasmania, including responsibility for state-specific strategy, customer relationships, business development, individual bid leadership and project delivery.

Sep 2020 - Sep 2023

General Manager - New Business And Strategy

Richmond , Victoria, Au

General Manager responsible for all New Business activities and Strategy Development & Execution for McConnell Dowell within the Australian Business Unit.

May 2017 - Sep 2020

General Manager - Engineering Innovation

Melbourne Cbd, Victoria, Au

GM with group wide responsibility for the development of John Holland's engineering initiatives in the fields of Technology, Research and Innovation. Initiate, develop and commission advances in design, methodologies, materials and/or technologies via funded R&D, partnerships and/or strategic acquisitions. These advances will provide the backbone of John Holland's competitive advantage in a marketplace vulnerable to disruption. Areas of focus include off-shore design, robotics, smart cities and smart building technologies, IoT, 3D printing and Next-Gen energy production.

Sep 2016 - May 2017

Executive Manager - Strategy And Business Planning

Melbourne Cbd, Victoria, Au

Charged with developing the long term strategic direction of the $2.5B John Holland Infrastructure Business, this role is accountable for all aspects of strategy & planning for the business as well as approval and sign off of all major tenders and oversight of our international infrastructure business ventures. Major achievements include John Holland's expansion into agribusiness and the renewable energy sectors, as well as our growth in the international marketplace.

Jan 2014 - Aug 2016

General Manager - Telco Engineering & Construction

Melbourne Cbd, Victoria, Au

General Manager of the John Holland Infrastructure - Telecommunications Business Unit. Full P&L responsibility for delivering civil, structural, mechanical and electrical infrastructure to the telecommunications, utilities and transport sectors.

Nov 2011 - Dec 2013

Manager - Pre-Contracts

Melbourne Cbd, Victoria, Au

Leadership of the Pre-Contracts group (BD Managers, Estimators, Design Managers, Programmers and Bid Managers) within John Holland Southern Region business unit (Vic, SA, Tas and NZ). Responsible for the identification, tendering, negotiating and capture of $1B worth of annual business for John Holland with highlights including Springvale Road Grade Separation Alliance ($150M), South Morang Rail Extension Alliance ($250M), University of Tasmania Co-Location Project ($120M), Western Highway Realignment Alliance ($150M), State Coronial Upgrade ($60M), Craigieburn Train Maintenance Facility ($70M) and the Brighton Bypass ($120M).

Jan 2009 - Oct 2011

Project Director / Bid Director

Melbourne Cbd, Victoria, Au

Project and Bid Director role with responsibilities including leadership of the John Holland - Veolia JV submission for the $1.4B Adelaide Desalination Project.

Jun 2008 - Dec 2008

General Manager

London, Gb

General Manager - Shipbuilding, Repair and Conversion. P&L responsibility for the $250m p.a business unit, with operations in WA, Victoria, NZ and the Netherlands. Scope of business included design, manufacturing and construction of commercial and defence ships as well as associated communication, navigation and weapons systems.General Manager - Project Operations, a functional general management role in a matrix organisation responsible for the allocation, performance and development of 200+ professional staff (engineering, quality, logistics, programmers, project accountants and project managers).Tenix Defence was acquired by BAE in 2007

Nov 2005 - Dec 2007

Project Manager

Bethesda, Md, Us

Project Manager for Project Air5375, a $200m defence based project consisting of the design, manufacturing, testing and commissioning of 4 bespoke tactical mobile radars (and associated communications, self defence and transportation systems) to the RAAF.Air5375 was accepted by the client (DMO / RAAF) in 2005 and has been successfully deployed into theaters of operation.

May 2003 - Nov 2005

Principal Engineer / Project Manager

Rlm Systems

SW, HW and Systems Principal Engineering roles in the development of a highly complex, defence radar network. Project Manager responsible for overseeing the design, manufacturing, testing and client acceptance of the $1b radar and frequency management systems.The $2b JORN radar network uses over-the-horizon technology and is able to detect targets out to a range of 3000km. It was accepted by the client (DMO / RAAF) in 2003.RLM Systems was acquired by Lockheed Martin Australia in 2007

Sep 1999 - May 2003

Research And Development Engineer

Acton, Act, Au

R&D position for the CSIRO Division of Exploration and Mining. Developed and tested mass spectrometry techniques to atomically identify minerals within mining exploration samples. Software and hardware development.

Jan 1998 - Sep 1999

Nuclear Physicist And Lecturer

Lund, Se

Nuclear physicist and lecturer at Lund University and MAX-Lab, the university's particle accelerator laboratory

Jan 1996 - Jan 1998
Team & coworkers

Colleagues at McMahon Services

Other employees you can reach at mcmservices.com.au. View company contacts for 624 employees →

2 education records

David Sims education

Ph. D, Physics

University Of Melbourne

B. Sc (Hons), Physics

University Of Melbourne
FAQ

Frequently asked questions about David Sims

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

What company does David Sims work for?

David Sims works for McMahon Services.

What is David Sims's role at McMahon Services?

David Sims is listed as Chief Executive Officer at McMahon Services.

What is David Sims's email address?

AeroLeads has found 1 work email signal at @johnholland.com.au for David Sims at McMahon Services.

What is David Sims's phone number?

AeroLeads has found 2 phone signal(s) with area code 143 for David Sims at McMahon Services.

Where is David Sims based?

David Sims is based in Greater Melbourne Area, Australia while working with McMahon Services.

What companies has David Sims worked for?

David Sims has worked for Mcmahon Services, John Holland, Wellness In Infrastructure, Victorian Major Infrastructure Contractors Forum, and Mcconnell Dowell.

Who are David Sims's colleagues at McMahon Services?

David Sims's colleagues at McMahon Services include Simon Chamberlain, Susie Kingland, Nicholas (Nick) Charlesworth, J Z, and Michael O'Donnell.

How can I contact David Sims?

You can use AeroLeads to view verified contact signals for David Sims at McMahon Services, including work email, phone, and LinkedIn data when available.

What schools did David Sims attend?

David Sims holds Ph. D, Physics from University Of Melbourne.

What skills is David Sims known for?

David Sims is listed with skills including Contract Management, Engineering, Project Management, Project Planning, Procurement, Construction, Management, and Project Control.

Find 750M verified contacts

Search by job title, company, industry, location, and seniority. Export verified B2B contact data when you need it.