John Heneghan Joins System One as CEO of Government Solutions

PITTSBURGH, [November 9, 2026] / System One, a leading provider of specialized, highly technical outsourced services and workforce solutions, announced today the appointment of John Heneghan as Chief Executive Officer of Government Solutions. 

In this role, John will lead System One’s Government Services business, focusing on strategic growth, expansion of services, and strengthening the company’s capabilities and relationships across the government sector. 

John is a recognized leader in the government services industry, bringing extensive experience leading organizations that deliver advanced technology and mission-critical solutions to federal customers. His background spans data and artificial intelligence, cybersecurity, digital modernization, and enterprise transformation across defense, homeland security, intelligence, and federal health markets.  

Most recently, John served as Consulting Transformation Officer at Everforth, where he focused on accelerating Everforth’s transition toward an AI-led global digital engineering and solutions model. 

While at Everforth, John served as President of Everforth ECS, an IT systems integrator serving government customers. Under his leadership, ECS expanded its work across federal markets and advanced solutions in areas including AI and machine learning, cybersecurity, cloud, and IT modernization. 

Throughout his tenure at ECS, John helped position the organization to support some of the federal government’s most complex technology and mission priorities across national security, intelligence, homeland security, and public health.  

John has been recognized as a Wash100 Award winner for five consecutive years, an annual recognition honoring influential leaders across government and the government contracting industry. His recognition highlighted his leadership and experience advancing emerging technology services for federal customers.  

“We are thrilled for John to join our team to lead our government business.  He brings a proven record of success leading and accelerating company growth in the government market.  John understands our customers and where they are headed. He will mobilize teams and solutions to help our customers meet their mission objectives,” said Greg Lignelli, President and COO of System One. 

“I am excited to join System One and the talented teams at Gap Solutions, KeyLogic and Quadel,” said Heneghan. “Together, we will advance our solutions and expand System One’s reach across government, supporting our nation's most critical priorities." 

About System One 

System One is a leading provider of specialized, highly technical outsourced services and workforce solutions to critical infrastructure, technology, clinical & science, and government sectors. Founded more than 40 years ago, System One operates in over 50 locations and employs more than 10,000 professionals across the United States, Canada, the United Kingdom, and Brazil. More information is available at https://systemone.com.