lineman
n.a person whose job is to build or repair electrical or phone lines. It can also refer to a player on the front line in American football.
n.a worker responsible for the installation and maintenance of electrical power or telecommunications lines; also a player positioned on the line of scrimmage in American football.
“The lineman climbed the pole to fix the power line.”
“The offensive lineman must possess both immense physical strength and quick footwork to protect the quarterback from the opposing team's defensive rush during a high-stakes play.”
The term is traditionally gendered but remains the standard industry title; 'lineworker' is sometimes used as a gender-neutral alternative.
From line + -man.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.