Security Guard Schedule Template: How to Cover Posts 24/7

By Nicole Hullihen, former SaaS Chief Operating Officer and Microsoft MVP · Updated November 1, 2026

Security scheduling is unforgiving. A post that's empty for an hour can mean a missed alarm, an unhappy client or a contract at risk. Guards work nights, weekends and holidays, call-outs leave gaps on short notice and overtime can wipe out the margin on a contract. A good guard schedule keeps every post covered while keeping hours and costs under control.

This guide explains how many guards you need for each post, common shift patterns, relief and overtime planning, with a free security guard schedule template.

How Many Guards Does a 24/7 Post Need?

A post staffed around the clock needs 168 hours of coverage per week (24 hours × 7 days). If each guard works 40 hours, that's 4.2 full-time guards, before accounting for time off, training or call-outs.

Add relief for vacations, sick days and training. Many companies plan a relief factor so posts stay covered when regular guards are out. See how to calculate FTE.

Free Security Guard Schedule Template

8-Hour vs. 12-Hour Shift Patterns

With 12-hour shifts, a guard working four shifts in a workweek reaches 48 hours, which means overtime for non-exempt guards under federal law. Rotations that alternate three and four shifts per week average 42 hours over two weeks but can still create overtime in the long weeks, since overtime is calculated per workweek. See 24-hour shift scheduling and how to set your workweek.

Relief and Breaks

A single-guard post can't be left empty for a meal break. Plan relief: a roving guard or supervisor who covers breaks, or a policy that guards take on-post meal breaks, which may need to be paid time depending on the circumstances and state law. Check your state's meal and rest break rules and how they apply when guards can't leave the post. See meal and rest break laws by state.

Overtime Control

Security contracts are often priced on straight-time hours, so unplanned overtime eats margin quickly. Non-exempt guards must be paid overtime for hours over 40 in a workweek under federal law, and some states add daily overtime.

• Build the schedule so regular guards stay at or under 40 hours.
• Keep a pool of part-time relief guards for vacations and call-outs.
• Track weekly hours before assigning extra shifts.
• Watch shift handoff time, which adds up across a week.
• Approve overtime in advance whenever possible.

See the overtime approval policy.

Post Orders and Site Requirements

Each site has its own requirements: patrol routes, access control, alarm response, client contacts and reporting. Write post orders for every site and make sure every guard scheduled there has read them. Guards covering an unfamiliar post should get a site orientation first. Record activity with a daily activity report. See the security guard daily activity report.

Licensing and Training

Many states require security guards to be licensed or registered, and armed posts usually have additional requirements. Track each guard's license, expiration date and any site-specific training, and don't schedule guards whose credentials have lapsed. Check your state's licensing agency for the rules. See skills-based scheduling.

Call-Outs and No-Shows

1. Guards must call out to the supervisor, not just text a coworker.
2. The outgoing guard stays on post until relief arrives, per your policy and pay rules.
3. The supervisor contacts the relief pool in a set order.
4. If no relief is available, the supervisor covers or notifies the client.
5. Record every call-out and no-show.

Holdovers create overtime and fatigue, so keep them short and pay for all time worked. See no-call no-show policies.

Verifying Guards Are on Post

Clients pay for coverage, so you need proof guards were on post. Use a time clock that records clock-ins at the site, such as GPS or geofenced mobile clock-ins, plus scheduled check-ins or patrol scans during the shift. Compare punches with the schedule daily to catch late arrivals and gaps. See geofencing time clocks.

Night Shift Considerations

Overnight posts are the hardest to fill and the most prone to fatigue. Limit consecutive nights, give guards enough rest between shifts and make sure night guards have a way to reach a supervisor at all times. See night shift scheduling.

Example: A Small Security Company

A security company with 14 guards covered three 24/7 posts with 12-hour shifts. Overtime ran over 15% of hours, and call-outs often left a guard holding over for hours. The operations manager hired three part-time relief guards, switched one post to 8-hour shifts, set a call-out deadline of four hours before the shift and used geofenced clock-ins to confirm guards on post. Overtime fell below 6%, and the client stopped receiving gap reports.

Common Mistakes

• Staffing a 24/7 post with exactly four guards and no relief.
• Ignoring workweek overtime with 12-hour shifts.
• No break relief on single-guard posts.
• Expired licenses on the schedule.
• Unfamiliar guards without site orientation.
• No proof of coverage for the client.

Guard Scheduling Checklist

Sample 12-Hour Rotation for a 24/7 Post

One common approach uses four teams, often called A, B, C and D, rotating through 12-hour day and night shifts so the post is always covered. Each guard works about 42 hours a week on average over the rotation, with some weeks over 40. Calculate overtime per workweek, not as an average across weeks.

This example is simplified. Build your own rotation based on the number of guards, post hours and how your workweek is defined. See the 2-2-3 schedule.

Multiple Sites and Roving Patrols

Companies with several sites can share relief guards and use roving patrols to cover breaks and check posts. Schedule roving guards with routes and check-in times, account for travel time between sites as work time for hourly guards and track mileage if they use personal vehicles. See travel time pay.

Client Communication

Share coverage plans with clients, report gaps or late arrivals promptly and provide on-post records when asked. Clients who see reliable coverage and quick communication are far more likely to renew. Send a monthly summary of coverage hours, incidents and any changes to post assignments.

Holiday Coverage

Holidays are often the hardest days to staff, yet many clients need coverage most when buildings are empty. Build a holiday rotation early, ask for volunteers first and plan relief. Check whether contracts or your policy include holiday premium pay. See how to schedule employees during the holidays.

Guard Fatigue and Rest

Long shifts, nights and holdovers add up. Fatigued guards miss things. Limit consecutive 12-hour shifts, avoid scheduling guards back to back after a holdover and make sure they get enough rest between shifts. Some states or local laws have rest rules for certain industries, so check what applies.

Common Questions From Guards

• "How do I swap a shift?" Swaps need supervisor approval and a guard licensed for that post.
• "What if my relief doesn't show?" Call the supervisor; stay on post per policy, and your time will be paid.
• "Do I clock in on site?" Yes, using the mobile clock-in at the post.
• "When is the schedule posted?" By [day], at least [number] days ahead.

Guard Scheduling Quick Reference

Posting the Schedule Early

Guards often work second jobs or have family commitments, and late schedules lead to call-outs. Post schedules at least one to two weeks ahead, publish them where guards can see them on their phones and notify guards directly of changes. See how far in advance to post schedules.

New Post Startup

When you win a new contract, plan the startup carefully: assign a site supervisor, train guards on post orders before the first shift, schedule experienced guards for the first weeks and visit the site often. Early problems at a new post are the fastest way to lose a client.

Getting Started This Week

1. Calculate weekly coverage hours for each post.
2. List guards, licenses and expiration dates.
3. Choose a shift pattern for each post.
4. Build a relief pool for breaks, call-outs and vacations.
5. Set up on-site clock-ins and check-ins.

Budgeting a Guard Contract

When pricing a post, start with the coverage hours, then add relief, training, supervision and expected overtime. Underestimating relief and overtime is the most common reason security contracts lose money. Compare actual hours and overtime with your estimate each month and adjust pricing at renewal.

Licensing Records and Audits

Clients and regulators may ask for proof that guards are licensed and trained. Keep copies of licenses, training certificates and post orders acknowledgments for each guard, organized so you can produce them quickly. Set reminders well before licenses expire so renewals happen without pulling guards off the schedule.

Using Data to Improve the Schedule

Review late arrivals, no-shows, holdovers and overtime by post and by guard each month. Posts with repeated problems may need a different shift pattern, more relief or a different guard assignment. Guards with strong attendance can be rewarded with preferred posts or shifts, which encourages reliability across the team.

Supervisor Coverage

Every shift needs a supervisor or on-call contact who can answer questions, approve swaps, cover gaps and respond to incidents. Rotate on-call supervisor duty fairly, give supervisors access to the schedule and guard contacts on their phones and make sure guards always know who to call. A post without a reachable supervisor turns small problems into client complaints.

Part-Time Guards

Part-time guards add flexibility for weekends, events and relief. Keep their availability current, give them regular shifts so they stay familiar with posts and train them on the same post orders as full-time guards. A strong part-time pool is one of the best ways to control overtime.

Event and Short-Term Coverage

Events, construction sites and temporary assignments need short-term guard schedules. Confirm the hours, number of posts and special requirements in writing, assign guards who have worked similar events and plan breaks and relief in advance. Clock-ins at the event location provide proof of coverage for billing. Short-term jobs are a good way to give part-time guards more hours.

Debrief after each event so the next one runs more smoothly.

Share the debrief notes with the client too. It shows professionalism and makes repeat bookings more likely, especially for recurring events like seasonal festivals or annual meetings.

Night Post Check-Ins

Night guards working alone should check in with a supervisor or monitoring service at set intervals. Missed check-ins trigger a call, which protects both the guard and the client. Record check-ins alongside clock-ins as part of your coverage records.

Review missed check-ins weekly.

Patterns point to posts that need attention.

Final Thoughts

Covering security posts 24/7 starts with the math: 168 hours a week per post, plus relief. Choose a shift pattern, plan break and call-out coverage, track licenses and site training, verify guards are on post and watch weekly hours to control overtime. A well-planned guard schedule keeps clients protected and your contracts profitable.

Schedule and Verify Guards With Updoot

Updoot's scheduling builds guard schedules by post and fills open shifts quickly, and the mobile time clock records GPS-verified clock-ins so you can prove coverage and catch overtime before it happens.

Sources

• U.S. DOL: Overtime Pay

Frequently Asked Questions