diff --git a/.github/actions/to-integration-tests/cdn.json b/.github/actions/to-integration-tests/cdn.json
index 0da5adbe8e..734dbb9d37 100644
--- a/.github/actions/to-integration-tests/cdn.json
+++ b/.github/actions/to-integration-tests/cdn.json
@@ -1,8 +1,15 @@
 {
+	"client_certificate_authentication" : {
+		"root_certificates_directory" : "/etc/pki/tls/traffic_ops/"
+	},
 	"disable_auto_cert_deletion": false,
 	"use_ims": true,
 	"role_based_permissions": true,
 	"traffic_ops_golang": {
+		"tls_config": {
+			"MinVersion": 769,
+			"ClientAuth" : 1
+		},
 		"cert": "$PWD/localhost.crt",
 		"key": "$PWD/localhost.key",
 		"insecure": true,
diff --git a/.github/actions/to-integration-tests/entrypoint.sh b/.github/actions/to-integration-tests/entrypoint.sh
index 5728da8358..4150ccff9f 100755
--- a/.github/actions/to-integration-tests/entrypoint.sh
+++ b/.github/actions/to-integration-tests/entrypoint.sh
@@ -107,9 +107,20 @@ A22D22wvfs7CE3cUz/8UnvLM3kbTTu1WbbBbrHjAV47sAHjW/ckTqeo=
 -----END RSA PRIVATE KEY-----
 " > localhost.key
 
+if [[ ! -e "/etc/pki/tls/traffic_ops/" ]]; then
+	sudo mkdir -p "/etc/pki/tls/traffic_ops/"
+fi
+
 resources="$(dirname "$0")"
 envsubst <"${resources}/cdn.json" >cdn.conf
 cp "${resources}/database.json" database.conf
+sudo cp "${resources}/intermediate.crt.pem" /etc/pki/tls/traffic_ops/
+sudo cp "${resources}/intermediate.key.pem" /etc/pki/tls/traffic_ops/
+sudo cp "${resources}/server.crt.pem" /etc/pki/tls/traffic_ops/
+sudo cp "${resources}/server.key.pem" /etc/pki/tls/traffic_ops/
+sudo cp "${resources}/rootca.crt.pem" /etc/pki/tls/traffic_ops/
+sudo cp "${resources}/rootca.key.pem" /etc/pki/tls/traffic_ops/
+
 
 truncate --size=0 traffic.ops.log # Removes output from previous API versions and makes sure files exist
 ./traffic_ops_golang --cfg ./cdn.conf --dbcfg ./database.conf &
diff --git a/.github/actions/to-integration-tests/intermediate.crt.pem b/.github/actions/to-integration-tests/intermediate.crt.pem
new file mode 100644
index 0000000000..628dc1e412
--- /dev/null
+++ b/.github/actions/to-integration-tests/intermediate.crt.pem
@@ -0,0 +1,34 @@
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
\ No newline at end of file
diff --git a/.github/actions/to-integration-tests/intermediate.key.pem b/.github/actions/to-integration-tests/intermediate.key.pem
new file mode 100644
index 0000000000..0ea8cdde9e
--- /dev/null
+++ b/.github/actions/to-integration-tests/intermediate.key.pem
@@ -0,0 +1,52 @@
+-----BEGIN PRIVATE KEY-----
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+-----END PRIVATE KEY-----
\ No newline at end of file
diff --git a/.github/actions/to-integration-tests/rootca.crt.pem b/.github/actions/to-integration-tests/rootca.crt.pem
new file mode 100644
index 0000000000..ed11adb038
--- /dev/null
+++ b/.github/actions/to-integration-tests/rootca.crt.pem
@@ -0,0 +1,32 @@
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
\ No newline at end of file
diff --git a/.github/actions/to-integration-tests/rootca.key.pem b/.github/actions/to-integration-tests/rootca.key.pem
new file mode 100644
index 0000000000..2bbb8e0b25
--- /dev/null
+++ b/.github/actions/to-integration-tests/rootca.key.pem
@@ -0,0 +1,52 @@
+-----BEGIN PRIVATE KEY-----
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+-----END PRIVATE KEY-----
\ No newline at end of file
diff --git a/.github/actions/to-integration-tests/server.crt.pem b/.github/actions/to-integration-tests/server.crt.pem
new file mode 100644
index 0000000000..a2cf925348
--- /dev/null
+++ b/.github/actions/to-integration-tests/server.crt.pem
@@ -0,0 +1,34 @@
+-----BEGIN CERTIFICATE-----
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\ No newline at end of file
diff --git a/.github/actions/to-integration-tests/server.key.pem b/.github/actions/to-integration-tests/server.key.pem
new file mode 100644
index 0000000000..3275d1fa69
--- /dev/null
+++ b/.github/actions/to-integration-tests/server.key.pem
@@ -0,0 +1,52 @@
+-----BEGIN PRIVATE KEY-----
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+-----END PRIVATE KEY-----
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3da5a61a84..4bdb54d96e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -20,6 +20,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 - [#7055](https://github.com/apache/trafficcontrol/issues/7055) *Traffic Portal* Made `Clear Table Filters` option visible to the user.
 - [#7024](https://github.com/apache/trafficcontrol/pull/7024) *Traffic Monitor* Added logging for `ipv4Availability` and `ipv6Availability` in TM.
 - [#7063](https://github.com/apache/trafficcontrol/pull/7063) *Traffic Ops* Added API version 5.0 (IN DEVELOPMENT)
+- [#7645](https://github.com/apache/trafficcontrol/pull/7645) *Traffic Ops* Added a client method to be able to login with certificates.
 - [#2101](https://github.com/apache/trafficcontrol/issues/2101) *Traffic Portal* Added the ability to tell if a Delivery Service is the target of another steering DS.
 - [#6021](https://github.com/apache/trafficcontrol/issues/6021) *Traffic Portal* Added the ability to view a change logs message in it's entirety by clicking on it.
 - [#7078](https://github.com/apache/trafficcontrol/issues/7078) *Traffic Ops, Traffic Portal* Added ability to assign multiple server capabilities to a server.
diff --git a/traffic_ops/testing/api/v5/client-intermediate-chain.crt.pem b/traffic_ops/testing/api/v5/client-intermediate-chain.crt.pem
new file mode 100644
index 0000000000..609fafdab1
--- /dev/null
+++ b/traffic_ops/testing/api/v5/client-intermediate-chain.crt.pem
@@ -0,0 +1,67 @@
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+-----BEGIN CERTIFICATE-----
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+aNqNUP9D5qE2x73cQcFfzmRvgAV0KhpBc4QLhkJF24S2aL7L77ee2C8vKDnr/2i7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+4pao4/HknPmvyp/sEdJ1CljCOckVABtGF2jL2GLXKVNoTZG4Ndw0KknlC+lRO5oP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+-----END CERTIFICATE-----
\ No newline at end of file
diff --git a/traffic_ops/testing/api/v5/client.key.pem b/traffic_ops/testing/api/v5/client.key.pem
new file mode 100644
index 0000000000..79701b131a
--- /dev/null
+++ b/traffic_ops/testing/api/v5/client.key.pem
@@ -0,0 +1,52 @@
+-----BEGIN PRIVATE KEY-----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+-----END PRIVATE KEY-----
\ No newline at end of file
diff --git a/traffic_ops/testing/api/v5/session_test.go b/traffic_ops/testing/api/v5/session_test.go
index 76e3626a45..8af489bf0b 100644
--- a/traffic_ops/testing/api/v5/session_test.go
+++ b/traffic_ops/testing/api/v5/session_test.go
@@ -16,6 +16,7 @@ package v5
 */
 
 import (
+	"testing"
 	"time"
 
 	client "github.com/apache/trafficcontrol/traffic_ops/v5-client"
@@ -48,8 +49,21 @@ func TeardownSession(toReqTimeout time.Duration, toURL string, toUser string, to
 func SwitchSession(toReqTimeout time.Duration, toURL string, toOldUser string, toOldPass string, toNewUser string, toNewPass string) error {
 	err := TeardownSession(toReqTimeout, toURL, toOldUser, toOldPass)
 
-	// intentially skip errors so that we can continue with setup in the event of a 403
+	// intentionally skip errors so that we can continue with setup in the event of a 403
 
 	err = SetupSession(toReqTimeout, toURL, toNewUser, toNewPass)
 	return err
 }
+
+func TestLoginWithCert(t *testing.T) {
+	session, _, err := client.LoginWithCert(Config.TrafficOps.URL, true, time.Second*60,
+		"./client-intermediate-chain.crt.pem",
+		"./client.key.pem", "")
+
+	if err != nil {
+		t.Fatalf("expected no error while logging in with cert, but got %v", err)
+	}
+	if session == nil {
+		t.Fatalf("expected a valid session, but got nothing")
+	}
+}
diff --git a/traffic_ops/toclientlib/toclientlib.go b/traffic_ops/toclientlib/toclientlib.go
index ffc17829b1..6208daa60e 100644
--- a/traffic_ops/toclientlib/toclientlib.go
+++ b/traffic_ops/toclientlib/toclientlib.go
@@ -319,6 +319,53 @@ func (to *TOClient) logout() (net.Addr, error) {
 	return remoteAddr, nil
 }
 
+// LoginWithCert returns an authenticated TOClient.
+//
+// Start with
+//
+//	toURL := "https://trafficops.example"
+//	apiVers := []string{"3.0", "3.1"}
+//	to := LoginWithClient(toURL, true, "certfile", "keyFile", "myapp/1.0", DefaultTimeout, apiVers)
+//
+// subsequent calls like to.GetData("datadeliveryservice") will be authenticated.
+//
+// Returns the logged in client, the remote IP address of Traffic Ops to which
+// the given URL was resolved and used to authenticate, and any error that
+// occurred. If the error is not nil, the remote address may or may not be nil,
+// depending on whether the error occurred before the login request.
+//
+// apiVersions is the list of API versions supported in this client. This
+// should generally be provided by the client package wrapping this package.
+func LoginWithCert(
+	toURL string,
+	insecure bool,
+	requestTimeout time.Duration,
+	certFile string,
+	keyFile string,
+	userAgent string,
+	apiVersions []string,
+) (*TOClient, net.Addr, error) {
+	cert, err := tls.LoadX509KeyPair(certFile, keyFile)
+	if err != nil {
+		return nil, nil, err
+	}
+	to := NewClient("", "", toURL, userAgent, &http.Client{
+		Timeout: requestTimeout,
+		Transport: &http.Transport{
+			TLSClientConfig: &tls.Config{
+				Certificates:       []tls.Certificate{cert},
+				InsecureSkipVerify: insecure,
+			},
+		},
+	}, apiVersions)
+
+	reqInf, err := to.login()
+	if err != nil {
+		return nil, reqInf.RemoteAddr, errors.New("logging in: " + err.Error())
+	}
+	return to, reqInf.RemoteAddr, nil
+}
+
 // LoginWithAgent returns an authenticated TOClient.
 //
 // Start with
diff --git a/traffic_ops/traffic_ops_golang/auth/certificate.go b/traffic_ops/traffic_ops_golang/auth/certificate.go
index f2f1ea725a..50fd78f0aa 100644
--- a/traffic_ops/traffic_ops_golang/auth/certificate.go
+++ b/traffic_ops/traffic_ops_golang/auth/certificate.go
@@ -32,25 +32,25 @@ import (
 	"github.com/apache/trafficcontrol/lib/go-rfc/ldap"
 )
 
-// ParseCertificate takes a http.Request, pulls the (optionally) provided client TLS
+// VerifyClientCertificate takes a http.Request, pulls the (optionally) provided client TLS
 // certificates and attempts to verify them against the directory of provided Root CA
 // certificates. The Root CA certificates can be different than those utilized by the
 // http.Server. Returns an error if the verification process fails
-func VerifyClientCertificate(r *http.Request, rootCertsDirPath string) error {
+func VerifyClientCertificate(r *http.Request, rootCertsDirPath string, insecureSkipVerify bool) error {
 	// TODO: Parse client headers as alternative to TLS in the request
 
 	if err := loadRootCerts(rootCertsDirPath); err != nil {
 		return fmt.Errorf("failed to load root certificates")
 	}
 
-	if err := verifyClientRootChain(r.TLS.PeerCertificates); err != nil {
+	if err := verifyClientRootChain(r.TLS.PeerCertificates, insecureSkipVerify); err != nil {
 		return fmt.Errorf("failed to verify client to root certificate chain")
 	}
 
 	return nil
 }
 
-func verifyClientRootChain(clientChain []*x509.Certificate) error {
+func verifyClientRootChain(clientChain []*x509.Certificate, insecureSkipVerify bool) error {
 	if len(clientChain) == 0 {
 		return fmt.Errorf("empty client chain")
 	}
@@ -71,6 +71,9 @@ func verifyClientRootChain(clientChain []*x509.Certificate) error {
 	}
 	_, err := clientChain[0].Verify(opts)
 	if err != nil {
+		if insecureSkipVerify {
+			return nil
+		}
 		return fmt.Errorf("failed to verify client cert chain. err: %w", err)
 	}
 	return nil
diff --git a/traffic_ops/traffic_ops_golang/auth/certificate_test.go b/traffic_ops/traffic_ops_golang/auth/certificate_test.go
index ba1fab484a..9a598cd9a8 100644
--- a/traffic_ops/traffic_ops_golang/auth/certificate_test.go
+++ b/traffic_ops/traffic_ops_golang/auth/certificate_test.go
@@ -63,7 +63,7 @@ func TestVerifyClientCertificate_Success(t *testing.T) {
 	connState.PeerCertificates = append(connState.PeerCertificates, intermediateCert)
 	req.TLS = connState
 
-	err = VerifyClientCertificate(req, "root/pool/created/above")
+	err = VerifyClientCertificate(req, "root/pool/created/above", false)
 	if err != nil {
 		t.Fatalf("error failed to verify client certificate: %s", err)
 	}
@@ -96,7 +96,7 @@ func TestVerifyClientCertificate_NoIntermediate_Fail(t *testing.T) {
 	connState.PeerCertificates = append(connState.PeerCertificates, clientCert)
 	req.TLS = connState
 
-	err = VerifyClientCertificate(req, "root/pool/created/above")
+	err = VerifyClientCertificate(req, "root/pool/created/above", false)
 	if err == nil {
 		t.Fatalf("should have failed without intermediate certificate: %s", err)
 	}
@@ -136,7 +136,7 @@ func TestVerifyClientChainSuccess(t *testing.T) {
 		t.Fatalf("failed to extract x509 from PEM string for intermediateCert. err: %s", err)
 	}
 
-	if err = verifyClientRootChain([]*x509.Certificate{clientCert, intermediateCert}); err != nil {
+	if err = verifyClientRootChain([]*x509.Certificate{clientCert, intermediateCert}, false); err != nil {
 		t.Fatalf("failed to verify certificate chain with valid certs. err: %s", err)
 	}
 }
@@ -153,7 +153,7 @@ func TestVerifyClientChain_EmptyClient_Fail(t *testing.T) {
 	rootPool = x509.NewCertPool()
 	rootPool.AddCert(rootCert)
 
-	if err = verifyClientRootChain([]*x509.Certificate{}); err == nil {
+	if err = verifyClientRootChain([]*x509.Certificate{}, false); err == nil {
 		t.Fatalf("failed to verify certificate chain with valid certs. err: %s", err)
 	}
 }
@@ -167,7 +167,7 @@ func TestVerifyClientChain_EmptyRoot_Fail(t *testing.T) {
 		t.Fatalf("failed to extract x509 from PEM string for clientCert. err: %s", err)
 	}
 
-	if err = verifyClientRootChain([]*x509.Certificate{clientCert}); err == nil {
+	if err = verifyClientRootChain([]*x509.Certificate{clientCert}, false); err == nil {
 		t.Fatalf("failed to verify certificate chain with valid certs. err: %s", err)
 	}
 }
@@ -191,7 +191,7 @@ func TestVerifyClientChain_WrongCertKeyUsage_Fail(t *testing.T) {
 		t.Fatalf("failed to extract x509 from PEM string for serverCert. err: %s", err)
 	}
 
-	if err = verifyClientRootChain([]*x509.Certificate{serverCert}); err == nil {
+	if err = verifyClientRootChain([]*x509.Certificate{serverCert}, false); err == nil {
 		t.Fatalf("failed to verify certificate chain with valid certs. err: %s", err)
 	}
 }
diff --git a/traffic_ops/traffic_ops_golang/login/login.go b/traffic_ops/traffic_ops_golang/login/login.go
index e21b5cc5e9..5d12e6c874 100644
--- a/traffic_ops/traffic_ops_golang/login/login.go
+++ b/traffic_ops/traffic_ops_golang/login/login.go
@@ -120,7 +120,7 @@ func clientCertAuthentication(w http.ResponseWriter, r *http.Request, db *sqlx.D
 	}
 
 	// Perform certificate verification to ensure it is valid against Root CAs
-	err := auth.VerifyClientCertificate(r, cfg.ClientCertAuth.RootCertsDir)
+	err := auth.VerifyClientCertificate(r, cfg.ClientCertAuth.RootCertsDir, cfg.Insecure)
 	if err != nil {
 		log.Warnf("client cert auth: error attempting to verify client provided TLS certificate. err: %s\n", err)
 		return false
diff --git a/traffic_ops/v5-client/session.go b/traffic_ops/v5-client/session.go
index 1072281660..3408cb8580 100644
--- a/traffic_ops/v5-client/session.go
+++ b/traffic_ops/v5-client/session.go
@@ -79,6 +79,21 @@ func NewSession(user, password, url, userAgent string, client *http.Client, useC
 	}
 }
 
+// LoginWithCert creates a new authenticated session with a Traffic Ops
+// server, and gives the client the ability to log in using certificates.
+//
+// Returns the logged in client, the remote address of Traffic Ops which was
+// translated and used to log in, and any error that occurred along the way. If
+// the error is not nil, the remote address may or may not be nil, depending on
+// whether the error occurred before the login request.
+func LoginWithCert(toURL string, insecure bool, requestTimeout time.Duration, certFile, keyFile, userAgent string) (*Session, net.Addr, error) {
+	cl, ip, err := toclientlib.LoginWithCert(toURL, insecure, requestTimeout, certFile, keyFile, userAgent, apiVersions())
+	if err != nil {
+		return nil, nil, err
+	}
+	return &Session{TOClient: *cl}, ip, err
+}
+
 // LoginWithAgent creates a new authenticated session with a Traffic Ops
 // server. The session cookie should be set automatically in the returned
 // Session, so that subsequent calls are properly authenticated without further