WASHINGTON (CNN) - New White House Chief of Staff William Daley will be on the job before the State of the Union, according to senior administration officials, and there are early signs he also will be bringing in some of his own senior aides.
The decision is leaving some current White House staffers feeling uneasy about where they will fit in the flow chart.
Several Democratic sources said Daley is planning to bring along to the White House at least some close allies, people who date back to his time as commerce secretary during the Clinton administration as well as other stops in his impressive resume.
The Democratic sources said one of his first hires is expected to be David Lane, who served as chief of staff in the Commerce Department and executive director of the National Economic Council in the Clinton White House. He currently serves as president and chief executive officer of ONE - the advocacy organization that rock star Bono has used effectively to combat global poverty and prevent disease around the world, especially in Africa.
Lane did not return a call seeking comment.
Democratic sources familiar with the maneuvering said the fact that Daley is bringing in some of his own advisers shows he is serious about expanding the White House staff beyond the current close circle of aides.
But it also left some current White House aides wondering where exactly they fit into Daley's plans and how closely the new boss will follow interim Chief of Staff Pete Rouse's recommendations to Obama about who should fill other senior positions like deputy chief of staff.
"A lot of people are on edge," one senior administration official said of staffers waiting to find out their next assignment.
In the first two years, Obama has had two people with the deputy chief of staff title who have both played important roles. Jim Messina has handled political and operational matters for the chief of staff's office and is now planning to head to Chicago to run the re-election campaign. The other deputy chief of staff, Mona Sutphen, has been a key player on policy matters and is also now looking to move on.
New senior adviser David Plouffe, who will largely take over the portfolio of outgoing senior adviser David Axelrod, has been expected to pick up some of Messina's political work given his background as the Obama '08 campaign manager. Messina was often seen leaving the White House campus for outreach meetings with Democratic groups off-site.
But White House aide Alyssa Mastromonaco has been the person in line for Messina's deputy chief of staff slot, focusing on the operational details of the White House, from the president's travel to the Secret Service.
Some of the candidates for Sutphen's more policy-focused portfolio, according to Democrats inside and outside the White House, include: Nancy-Ann DeParle, who won plaudits from the president himself for her long hours leading the effort to pass health care reform and Carol Browner, who focuses on energy policy and was seen inside the administration as a cool hand during the pressure-filled days of the response to the Gulf oil spill.
Other names mentioned for either a deputy chief of staff title or a senior adviser role of some sort include Phil Schilirro, the White House's Congressional liaison, and Stephanie Cutter, whose stock has risen because of her work helping shape the White House's message pushing back on Republican efforts to repeal the health reform law.