Cisco's UK & Ireland MD Sarah Walker: Arrogance is a Career Killer
Cisco exec warns arrogance can derail your career instantly

In the competitive world of corporate hiring, a stellar resume packed with achievements might not be your golden ticket after all. According to a top tech executive, a single personality flaw—arrogance—can instantly derail your career prospects, no matter how experienced you are.

Confidence vs. Arrogance: The Fine Line in Hiring

Sarah Walker, the Managing Director for UK and Ireland at networking giant Cisco, has pinpointed arrogance as her ultimate hiring red flag. With a 25-year corporate climb at BT under her belt before joining Cisco, Walker's insights come from deep experience. She told Fortune that while she values confidence, it must be paired with humility. "I can't stand arrogance. Be confident, but have a level of humility," she stated.

Walker actively looks for candidates who demonstrate a positive attitude, high engagement, and infectious energy—qualities she believes are innate and cannot be taught. However, an excessive ego acts as an immediate dealbreaker, regardless of the candidate's seniority or past accomplishments.

Why Personality Often Trumps Pedigree

Walker's hiring philosophy places a premium on personality, especially for entry-level roles. "It's more about the person first and foremost than it is about skills or experience," the 45-year-old executive explained. She acknowledges that technical skills gain importance in specialist positions, but a candidate with the right attitude and a proven willingness to learn can often beat out someone with more experience.

"You don't need to be the finished article to be promoted," Walker added, emphasizing the value of growth potential. "But we need to know that you are in a position where within a reasonable timeframe, you'll have invested the time to upskill and develop." This approach shifts the focus from what a candidate knows now to their capacity for continuous learning and adaptation.

Humility is Non-Negotiable at Every Career Stage

Walker's warning against arrogance isn't just for junior employees. She applies the same standard to senior leadership roles. In today's fast-paced work environment, resting on past laurels is a dangerous game. "You can't rest on your laurels because you've done something well in the past," she stressed. "You need to be thinking about what's the next great thing that you'll do."

She leads by example, noting that even at her level, being open to learning is crucial. "Even at my level, you have to be open to the fact that there's lots more yet to learn and grow and adapt." This mindset of perpetual growth is what she believes separates successful professionals from those who stagnate.

This philosophy finds resonance with her predecessor at Cisco. David Meads previously told Fortune that emotional intelligence (EQ) is "at least as important as IQ" when evaluating talent. He also highlighted a shift away from strict academic requirements, noting he sees "no difference in terms of the capability" between candidates with or without university degrees.

The message from the top is clear: for long-term career success, cultivating a humble, positive, and adaptable attitude is far more valuable than relying solely on a list of past achievements. In the modern workplace, your character might just be your most important credential.