Robert E. Finnin, a former IBM systems engineer and technical analyst at the Falls Church-based Computer Sciences Corp. for 28 years, died Nov. 15 at Georgetown University Hospital. He was 82.

He had Parkinson’s disease, said his sister, Joyce Lekas.

During his time at Computer Sciences Corp., Mr. Finnin worked under contract for government agencies that included NASA, the Internal Revenue Service, the National Institute of Standards and Technology and the National Institutes of Health.

At Computer Sciences Corp., he helped develop NASA satellite programs and, in 1969, received a commendation from NASA for his contributions to its Orbiting Astronomical Observatory satellite program.

Robert Emmett Finnin, a native of Newton, Mass., was a 1953 mathematics graduate of Boston College, and he received a master’s degree in mathematics from the University of Texas in 1959. He was in the Navy Reserve in the early 1950s and served as a mathematical research assistant in the Army in the late 1950s.

He was past treasurer of and a pianist for Hexagon Inc., a nonprofit organization that produces an annual political satire musical show to benefit charities. He played piano for the American Light Opera Company and the Washington-based band Swing Machine. He was also a member of the Association for Computing Machinery.

Survivors include a brother and a sister.

— Megan McDonough