IT Co-op (Fall 2026)

ARCO a Family of Construction Companies; St. Louis (MO); On-site; USD 22,000 - 30,000; Part time

Benefits offered by this job

Competitive hourly rate

Flexible hours

Medical, dental, and vision insurance—

Company sponsored lunches, and events

Stocked kitchen with coffee, soda, and

Job summary

ARCO a Family of Construction Companies seeks an IT Intern to assist with support tickets, documentation, and security tasks in Brentwood, MO. You will work with IT Support & Cybersecurity teams, respond to incidents, deploy hardware/software, and aid with project planning while gaining hands-on experience in enterprise environments.

The program offers part-time hours during the school year and full-time options in the summer, plus exposure to security tools and incident response.

Qualifications

• Must be enrolled in IT/CS/Cybersecurity program
• Server or networking class participation required
• Strong organizational and proofreading skills

Responsibilities

• Respond to user IT support requests and resolve tickets
• Maintain technical documentation of systems and software
• Deploy hardware and software and upgrade installations
• Research solutions to problems and propose improvements
• Assist with IT projects and security initiatives
• Provision mobile devices (iOS/Android)
• Inventory assets and manage access
• Handle Tier 1 incidents via Service Now
• Imaging workstations and assisting with account creation
• Support Security Awareness Training program
• Analyze suspicious emails/tickets and identify threats
• Generate reports from dashboard tools and improve security posture
• Provide general departmental support and assist with programs
• Participate in Security Incident Response training exercises

Skills

Dependable

Self-motivated

Detail-oriented

Organizational skills

Communication skills

Office 365

Multitasking

Education

Currently enrolled in university or technical program in IT/CS/Cybersecurity

Enrolled in or completed a server or networking class in college

Tools

None

Job description

About You

Are you an out of the box thinker? Are you passionate about solving business problems with the latest technology? If the answer is, “Yes!” then we have an exciting, internship opportunity for you. Who are we? We are ARCO, a Family of Construction Companies.

About You

Are you an out of the box thinker? Are you passionate about solving business problems with the latest technology? If the answer is, “Yes!” then we have an exciting, internship opportunity for you. Who are we? We are ARCO, a Family of Construction Companies.
We are looking for an Intern to work with ARCO’s IT Support & Cybersecurity Teams in our Brentwood, MO office. As an IT Intern, you will assist all areas of the Technology department including responding to support tickets, maintaining technical documentation, and assisting with account creation. You will also be responsible to research email threats, learn how to analyze logs to identify threats, and work closely with our infrastructure team to remediate issues detected within our environment. This is a great opportunity for an intern that is energetic, likes working closely with others, and has a desire to help protect the ARCO organization.

A Day In The Life

• Respond and resolve user support information technology requests
• Maintain technical documentation of various systems and software programs
• Deploy new hardware, software, and upgrade existing installations
• Research solutions to new problems and better solutions to existing problems
• Participate in implementing IT-based projects
• Provisioning iOS and Android Mobile Devices
• Inventorying assets
• Handling Tier 1 Support Incidents and Requests through Service Now
• Imaging Workstations
• Assist with account creation
• Promote and maintain the Security Awareness Training program
• Responds to cyber incidents, performing routine analysis using security tools
• Review tickets and emails submitted by other employees, that appear suspicious, to determine if they are malicious.
• Utilize various tools and systems’ dashboard to generate reports and analyze the information to further remediate and help improving the security posture.
• Provides general support to aide in the completion of department tasks, projects, and programs
• Participate in planning and deploying Security Incident Response training exercises

Necessary Qualifications

• Candidates must be currently enrolled in a university or technical program in one of the following or a related technical field Information Technology, Computer Science, or Cybersecurity
• Must be enrolled in or completed a server or networking class in college
• Must be dependable, self-motivated, and detail-oriented and have excellent organizational and proofreading skills
• Must possess the ability to work and communicate effectively with other company personnel
• Proficiency in the Office 365 suite of products (i.e., Outlook, Word, Excel, PowerPoint) preferred
• Must be able to handle multiple priorities and operate efficiently and effectively and have good documentation and communication skills
• Must be able to work part to full time hours out of our Brentwood, MO office

What We Can Offer You

The internship program in ARCO’s Technology Department is designed to provide hands-on on enterprise environments in a practical setting. Students get an opportunity to gain insight and meaningful experience and develop additional soft skills necessary while working at ARCO. Work part time during the school year while attending college classes. Full time working hours available in the summer.

We are dedicated to the well-being of our associates and are proud to be consistently recognized as a Best Place to Work.

• Competitive hourly rate
• Flexible hours to accommodate your class schedule
• Medical, dental, and vision insurance coverage when you Intern or Co-op with us for at least 3 months full time
• Company sponsored lunches, and events
• Stocked kitchen with coffee, soda, and snacks

At ARCO, our first core value is to treat people fairly and do the right thing. We are committed to building and sustaining a culture that supports diversity and inclusion. We are proud to be an equal opportunity employer, and all qualified applicants will receive consideration for employment.

From recruiting, training, and hiring practices to selecting our subcontractors, we understand that diversity of all those involved in the construction process enhances our ability to deliver the best solutions to our customers. We hire the best and the brightest from across the country – constructing a team of experts in architecture, design, engineering, project management, and business services.

MAKE YOUR MOVE

We are proud to be one of the fastest-growing, privately-owned companies in America, celebrating over 30 years of experience as design-build experts. We have completed over 7,500 design-build projects nationwide. We ranked #9 on ENR’s Design-Build Firms list and #34 on ENR's Top 400 Contractors list of 2026. Most importantly, our clients like us, trust us, and want to do business with us. We are looking for people with the same enthusiasm, passion, and respect for the hard work that brought us to where we are today. Are you a person who can make a difference at ARCO? If the answer is “Yes!” we look forward to meeting you.

ARCO does not accept unsolicited resumes from individual recruiters or third-party recruiting agencies without pre-approval from ARCO’s Human Resources team. Pre-approval is required before any external candidate can be submitted. ARCO will not be responsible for fees related to unsolicited resumes and for candidates who are sent directly to our hiring managers. Agencies must have a fully executed vendor agreement in place as well as written approval to submit candidates from an ARCO TA Manager for a specific position before submitting candidates.

LEGAL DISCLAIMER

EOE, including disability/vets