IT Solutions

Our solution experts are among the
best in the industry, specializing in cutting-edge technology.


Delivering information technology,
training, strategy, operations,
and transformation


Delivering the right staffing
resources when, where, and how
you need them

Marathon Promotes Two to Vice President

CEO Pam Siek is delighted to announce that the company has promoted two employees to Vice President in recognition of their achievements and future contributions. Brett Herberger was named Vice President of Recruiting and Ted Marshall is now Vice President of Business Development. Both will be key factors in continuing Marathon’s impressive growth record, which has put the IT firm on the Inc. 5000 list of America’s fastest-growing companies for seven consecutive years.

Women Owned

Why Marathon TS

Marathon TS is a relationship-driven IT professional services firm identifying winning IT solutions for government, government contracting, and commercial clients by leveraging the power of people and technology.


Marathon TS understands that obtaining a challenging position with excellent pay and benefits is paramount. Also important is an enjoyable and fulfilling career experience. This is the reason that Marathon TS created an environment that rewards the performance of world-class IT professionals.

Our Clients

Marathon TS successfully provides services to leading systems integrators and to the federal government — including the Departments of State, Energy, and Homeland Security.

Our Satisfaction Guarantee

“Upon transferring to the DC area, I found Marathon TS to be my number one resource in building a new staff.”

Practice Areas

Custom Application Development

GIS Support/Development

IT Security


Intelligence Analysis

O&M Support

Employee Portal

Our Marathon TS Employee Portal opens up your world through quick and user-friendly access to the people, tools, and resources you need to complete your mission. Connect with other professionals to access and share in-depth information about every aspect of your work and ours. Marathon TS provides clients with world-class IT and professional services, which mean nothing without you.

Marathon TS Names Brett Herberger New Vice President of Recruiting

STERLING, VA (January 21, 2021)—Marathon TS CEO Pam Siek has announced the appointment of Brett Herberger as the company’s new Vice President of Recruiting. As a key member of Marathon’s leadership team, Herberger oversees the recruitment of candidates for government...

Marathon Opens Latest Office at CIC in St. Louis

Marathon Opens Latest Office at CIC in St. Louis

Marathon TS, an enterprise IT solutions provider transforming defense and intelligence agencies through cloud-based applications, digital solutions, cybersecurity, and advanced analytics, is expanding its corporate presence in St. Louis with a new office at Cortex...

Washington DC Metro

Marathon TS, Inc.
21145 Whitfield Place, Suite 106
Sterling, VA 20165
(703) 230-4200
(703) 230-4203 Fax

St. Louis

20 S Sarah St
St. Louis, MO 63108

San Diego

(858) 812-2057