The phrase "a systems manager" is correct and usable in written English.
It can be used to refer to a person responsible for overseeing and managing systems within an organization, typically in a technical or IT context.
Example: "As a systems manager, she is responsible for ensuring that all IT systems run smoothly and efficiently."
Alternatives: "a system administrator" or "a systems coordinator."
Maury Schott, a systems manager, was chatting with Howard Leifman, a human resources consultant.
In June, Ms. Klein, 39, is marrying Steven Hirsch, a systems manager with Hachette Filipacchi Media.
The job was as a systems manager for I.T.T.; the bills were many, the children two.
He was a systems manager for eBay, in charge of international Web site operations and technology, not a vice president.
Her father, a retired nuclear engineer, was a systems manager for the Defense Department at the Army Research and Development Command in Wharton, N.J.
Andrew Quinn, a systems manager at a toy company near Montreal, is starting to learn more about his fellow employees than he had ever wanted to know.
On-demand servers in the cloud promise to fit computing power to most tasks economically, and without a fair portion of the usual worries of system management: hardware purchasing, recruiting a system manager, high availability issues, and so forth ([ 13] and the references therein).
To meet the due-date constraints, a system manager may reject orders when a backlog of work is judged to be excessive, thereby incurring lost revenues.
This would allow, for example, a system manager to act as a Subscriber and set up information flows from Publishers to a number of system entities that act as Receivers.
A "systems-manager" who believes the coach is king and his tactics the key, he is full of contradictions.
Using such a system, managers would be able to play out various "what-if" scenarios to make informed decisions regarding refactoring.
