POWER OF ATTORNEY


       Know all persons by these presents, that the undersigned
hereby constitutes and appoints any of Jennifer F. Simons,
Alan R. Curtis, Safieh N. Hill and Katherine L. Bradley, or
any of them signing singly, and with full power of substitution,
the undersigned's true and lawful attorney-in-fact to:

(1)	prepare, execute in the undersigned's name
and on the undersigned's behalf, and submit
to the U.S. Securities and Exchange Commission
(the "SEC") a Form ID, including
amendments thereto, and any other documents
necessary or appropriate to obtain codes
and passwords enabling the undersigned to make
electronic filings with the SEC of reports
required by Section 16(a) of the Securities Exchange Act
of 1934 or any rule or regulation
of the SEC;

(2)	execute for and on behalf of the undersigned,
in the undersigned's capacity as an officer
and/or director of Oceaneering International, Inc.
(the "Company"), Form 144 and Forms 3,
4, and 5 in accordance with Section 16(a) of the
Securities Exchange Act of 1934 and the
rules thereunder;

(3)	do and perform any and all acts for and on behalf
of the undersigned which may be
necessary or desirable to complete and execute any such
 Form 144 and Forms 3, 4, or 5,
complete and execute any amendment or amendments thereto,
 and timely file such form
with the SEC and any stock exchange or similar authority; and

(4)	take any other action of any type whatsoever in
connection with the foregoing which, in the
opinion of such attorney-in-fact, may be of benefit to, in
the best interest of, or legally
required by, the undersigned, it being understood that the
documents executed by such
attorney-in-fact on behalf of the undersigned pursuant to
this Power of Attorney shall be in
such form and shall contain such terms and conditions as
such attorney-in-fact may
approve in such attorney-in-fact's discretion.

       	The undersigned hereby grants to each such
attorney-in-fact full power and
authority to do and perform any and every act and thing
whatsoever requisite,
necessary, or proper to be done in the exercise
of any of the rights and powers herein granted, as
fully to all intents
and purposes as the undersigned might or could do if
personally present,
with full power of substitution or revocation, hereby
ratifying and confirming
all that such attorney-in-fact, or such attorney-in-fact's
substitute or
substitutes, shall lawfully do or cause to be done by
virtue of this power
of attorney and the rights and powers herein granted.
 The undersigned
acknowledges that the foregoing attorneys-in-fact, in
serving in such
capacity at the request of the undersigned, are not
assuming, nor is the
Company assuming, any of the undersigned's responsibilities
 to
comply with Section 16 of the Securities Exchange Act of 1934.

       	This Power of Attorney shall remain in full
force and effect
until the undersigned is no longer required to file Form 144
 and Forms 3, 4 and 5
with respect to the undersigned's holdings of and transactions
 in securities issued
by the Company, unless earlier revoked by the undersigned in
 a signed
writing delivered to the foregoing attorneys-in-fact.

       	IN WITNESS WHEREOF, the undersigned has caused this
 Power of Attorney
to be executed as of this 14th day of November 2023.




	/s/ Catherine E. Dunn
	Catherine E. Dunn