Representative Jones is the Vice-chair of the Atlanta Delegation and has served as Vice-chair of the Rail Subcommittee of the Transportation Committee.

In 2007 Representative Jones authored House Bill 426 which was signed into law by the Governor in 2008. This legislation relates to the installation of protective devices at railroad grade crossings and requires local school districts to provide the Department of Transportation annual information regarding rail crossings without active warning devices that are used by school buses.

Representative Jones secured funding in the budget for the Harriett G. Darnell Multi-purpose Senior Facility (Fulton County) and the Vinings Historic Preservation Society (Cobb County).

Representative Jones has worked with veterans, senior citizens, donated book bags to 5th graders, recognized graduating students and recognized teachers of the year. Representative Jones has sponsored workshops in her district covering- chronic illness, home repairs, fraud prevention, texting-sexting & bullying, and health fairs.

Several organizations have recognized the legislative service of Representative Jones over the past decade, including the Cobb Democratic Women (Woman Legislator of the Year), Georgia Conservation Voters (Environmental Leadership Award), Georgia Legislative Black Caucus (Freshman Legislator of the Year), Cobb County Democratic Committee (the Joe Mack Wilson People's Champion Award), and the Council on Aging.

After 34 years of service she retired from Lockheed Martin Company in January 2014. While employed with Lockheed, she was an active member of the International Association of Machinists & Aerospace Workers AFL-CIO Local Lodge 709. In Local 709, she held several leadership positions including- Shop Steward, Grand Lodge Convention Delegate, Women's Convention Delegate, and Bylaws Committee Chair. She also served on the legislative committee and executive board (becoming the first female Trustee for her union). She was later elected as the Legislative Representative for the Georgia State Council of Machinists & Aerospace Workers (AFL-CIO). In this role, she represented more than 9,000 working men and women throughout the state of Georgia and met with both state and national lawmakers to discuss issues affecting working families, such as raising the minimum wage, unemployment benefits, and workers compensation. In addition to the service to her union, Sheila has served on the Board for the American Civil Liberties Union of Georgia, member of the Disabled American Veterans Commanders Club, 5th Congressional District Chair for the Democratic Party of Georgia, Delegate to the Democratic National Convention (three times), National Women's Political Caucus-Ga (member, State President and Regional Director), and is currently a member of the National Council of Negro Women, Sierra Club, executive committee member of the Fulton County Democratic Party, state committee member of Georgia Democratic Party, and a member of Delta Sigma Theta Sorority, Inc., Atlanta Alumnae Chapter.