The True Cost of In-House IT: What Businesses Are Really Spending

When businesses calculate their cost of in-house IT, payroll is usually the first number they consider. If an IT administrator earns $80,000, $90,000, or $100,000 per year, that salary can quickly become the number used to represent the company’s cost of maintaining IT internally. In reality, salary is only one part of the expense.

Building and maintaining an internal IT function also requires employee benefits, recruiting, onboarding, training, management tools, security software, equipment, and continued professional development. Businesses must also consider what happens when their IT employee is on vacation, unavailable after hours, or eventually leaves the organization. For small and midsize businesses, the more useful question is not simply, “How much does an IT employee make?” It is “What does it actually cost us to maintain the IT capabilities our business needs?”

That distinction becomes important when comparing internal IT staffing with managed IT services, because comparing an employee’s salary directly against an MSP’s monthly fee does not account for everything included in either model.

The Cost of an In-House IT Employee Goes Beyond Salary

Salary is the most visible cost of in-house IT. According to the U.S. Bureau of Labor Statistics, the median annual wage for network and computer systems administrators was $96,800 in May 2024. Compensation can vary considerably depending on the skills a business needs. The Bureau of Labor Statistics tracks a wide range of computer and information technology occupations, including computer support specialists, systems administrators, information security analysts, network architects, systems analysts, and IT managers.

The differences between those positions matter because IT is not one skill set. The person helping employees troubleshoot workstation problems may not have the same expertise needed to design network infrastructure, manage cybersecurity requirements, oversee a cloud migration, or plan the company’s long-term technology strategy. A smaller organization may rely heavily on a capable IT generalist, but the more complex the company’s technology becomes, the more difficult it is for one person to provide every type of expertise the business requires.

Salary also does not represent an employer’s complete compensation cost. According to the Bureau of Labor Statistics’ March 2026 Employer Costs for Employee Compensation report, wages and salaries represented 69.9% of total employer compensation costs for private-industry workers, while employee benefits accounted for 30.1%. Those benefits include expenses such as paid leave, insurance, retirement contributions, and legally required benefits.

Using those figures only as an illustration, an employee earning the $96,800 median salary cited above could represent approximately $138,500 in total annual compensation if the employer’s compensation structure were similar to the private-industry average. That is not intended to suggest every IT administrator costs exactly $138,500. Benefit structures and compensation vary significantly between employers. It does, however, demonstrate why salary alone provides an incomplete picture of internal IT spend.

Hiring, Training and Retaining IT Talent Add to the Cost of In-House IT

The cost of an internal IT employee starts before the employee receives a paycheck. Businesses have to advertise the position, recruit candidates, review applications, conduct interviews, complete background checks, and dedicate management time to selecting the right person. According to SHRM’s 2026 recruiting benchmarking research, the median cost-per-hire for a nonexecutive position was approximately $1,300, while the median time-to-fill was 39 calendar days.

Once an IT professional is hired, they still need time to understand the organization’s environment. They must become familiar with the company’s network, applications, users, vendors, Microsoft 365 environment, security controls, and backup systems. They also need to learn its hardware, cloud services, and existing documentation. An experienced technician may understand the underlying technology immediately, but they cannot instantly understand every existing configuration. They may not know why a system was configured a certain way or which vendors support specific applications. They also need time to learn which recurring issues have affected the organization in the past.

Technical skills also require continued development. Cybersecurity threats change, cloud platforms evolve, software is replaced, and vendors introduce new technologies. Businesses employing internal IT staff may need to budget for training, certifications, vendor education, and skill development. These investments help employees keep their technical knowledge current. As technical professionals gain experience and specialized expertise, their market value may also increase. Compensation growth and employee retention can therefore become part of the long-term cost of maintaining internal IT.

This does not mean IT employees inevitably leave once they gain experience. Skilled employees can remain with an organization for many years. Specialized technical knowledge has value. Retaining that expertise should be considered when evaluating long-term staffing costs.

The Hidden Cost of IT Turnover and Knowledge Loss

When an experienced IT employee leaves, the business loses more than labor capacity, adding to the cost of in-house IT. That employee may also hold years of institutional knowledge about network configurations, vendor relationships, software integrations, and cybersecurity policies. They may also understand cloud environments, user permissions, backup systems, previous technology projects, and recurring technical problems.

Good documentation can reduce this risk considerably, but even well-managed organizations rarely document every historical decision, exception, workaround, and configuration. A replacement employee may need time to learn the company’s technology and reconstruct knowledge that left with their predecessor. Projects can slow down, and troubleshooting can take longer during this transition. Other employees or outside vendors may also need to fill the gap while a replacement is recruited and trained.

Businesses should therefore consider knowledge retention and redundancy as part of IT continuity planning. An organization that depends heavily on one employee may function extremely well while that employee is available. However, this also creates a concentration of technical knowledge. Management must consider what happens if that person suddenly becomes unavailable. This could happen because of vacation, illness, another job opportunity, or an unexpected departure.

That risk does not mean a company should avoid hiring internal IT employees. It means that continuity has a cost and should be deliberately planned for rather than assumed.

Internal IT Also Requires Tools, Expertise and Coverage

An IT professional also needs the right technology to manage the company’s environment effectively. Depending on the organization, an internal IT operation may require help desk software, remote monitoring and management tools. These may include endpoint detection and response, mobile device management, backup monitoring, network monitoring, and remote-access tools. Documentation platforms, password management, vulnerability management, security-awareness software, and other specialized systems may also be required.

The exact technology stack varies from company to company, but these expenses belong in the IT budget just as much as compensation does. Hiring an administrator does not eliminate the need for the software, security platforms, and infrastructure required to manage the organization effectively.

Coverage creates another challenge, particularly for companies with only one or two IT employees. Technology problems do not always occur during convenient business hours. In addition, employees naturally take vacations, become sick, attend training, and require time away from work. The Bureau of Labor Statistics notes that network and computer systems administrators may work evenings, nights, and weekends when systems require monitoring, maintenance, or updates.

A business relying on a small internal team therefore needs a plan for absences, after-hours incidents, major outages, cybersecurity events, simultaneous support requests, and large projects. Larger IT departments can provide greater redundancy. However, increasing coverage generally means increasing payroll, benefits, recruiting requirements, and operating expenses as well.

This is another reason businesses should evaluate IT based on capabilities rather than headcount alone. One employee may be highly capable, but there are still limits to how many requests, specialties, projects, and hours one person can reasonably cover.

In-House IT vs. Managed IT Services

When comparing cost of in-house IT with a Managed Service Provider, the question should not simply be whether an MSP costs less than one employee. That comparison ignores too many variables on both sides.

Internal IT offers meaningful advantages. Employees work directly within the organization, build relationships with users, understand internal processes, and can develop extensive familiarity with the company’s operations. For larger organizations or businesses with highly specialized technology requirements, maintaining internal expertise may make considerable operational sense.

A Managed Service Provider operates differently. Instead of hiring an individual with a particular skill set, the business gains access to a larger service infrastructure. Depending on the provider and agreement, services may include help desk support, remote monitoring, cybersecurity, and Microsoft 365 administration. They may also include backup management, network management, documentation, vendor coordination, project expertise, escalation resources, and after-hours coverage.

For businesses evaluating these two models, the more meaningful comparison is the total cost and capabilities provided by each option. An organization considering another internal hire should evaluate salary, benefits, recruiting, training, software, and management tools. It should also consider coverage and specialized expertise. These costs should be compared with the services and technical resources included in a managed IT agreement.

For some organizations, the right solution may actually be a combination of the two. A co-managed IT model allows a business to retain its internal technology employees while using an MSP for areas where additional resources or specialized expertise are needed. Internal staff can remain focused on the company’s users, applications, and strategic priorities. MSP provides services such as cybersecurity, monitoring, backup management, project support, escalation, or additional coverage.

Calculating the Real cost of In-House IT

The true cost of in-house IT is not simply the number printed on an employee’s offer letter. Businesses need to consider the complete cost. This includes recruiting, compensation, benefits, onboarding, training, technology, management, coverage, specialized expertise, retention, and continuity.

That does not automatically mean managed IT services are less expensive or appropriate for every organization. Some businesses benefit from maintaining an entirely internal IT department. Others are better suited to outsourced IT, and many can effectively combine internal and external resources.

The important part is making the comparison correctly. Instead of comparing an MSP invoice against one employee’s salary, businesses should evaluate how much they are spending to achieve the IT capabilities, expertise, coverage, security, and reliability their organization actually requires.

For businesses reviewing their technology spending, Onsite Computing can help evaluate existing IT costs, infrastructure, support requirements, cybersecurity, and staffing needs to determine whether internal, managed, or co-managed IT services provide the right operational fit.

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FAQ: The Cost of In-House IT