How Cisco Interviews in 2026: Process, Questions & What They Score
The complete process, reported questions, and what interviewers score.
Cisco / Interview snapshot
7
stages from
application to offer
38
reported questions
22
public sources
Independent: SupaCV is not affiliated with or endorsed by Cisco. This is one well-documented shape of Cisco's interviews, not a script: processes change and vary by role, team, level, and region, so confirm specifics with your recruiter.
On this page
01 / For every Cisco candidate
The process, start to finish.
Cisco's interview process is not a single standardized pipeline: it varies noticeably by function (software engineering, network/TAC engineering, product management, sales, etc.) and by region (US professional hiring vs. India campus/off-campus hiring). Across sources, the common backbone is: recruiter screen -> (for SWE/campus roles) an online coding+aptitude assessment -> one or two technical phone screens -> a multi-interview virtual "onsite" loop covering coding, system design, and behavioral topics -> a hiring-manager/managerial round -> an HR/culture-fit round -> offer.
Total elapsed time is commonly reported in the 3-8 week range end-to-end, but independent candidate reports vary widely: some describe a fast 2-3 week process, others report 6-8+ weeks, especially around Cisco's July fiscal-year-end. Post-final-loop decisions specifically are frequently slow (2-4+ weeks, occasionally up to a month), which multiple sources attribute to consensus-based panel hiring and Cisco's internal budget/HR approval cycles.
Networking fundamentals (OSI model, TCP/UDP, routing protocols, subnetting) show up as a first-class topic even in non-networking technical screens, reflecting Cisco's core business. No single official "master process" description exists publicly beyond Cisco's high-level "How We Hire" careers page (which itself frames the journey as Learn -> Search and Apply -> Connect -> Prepare -> Interview and Assessment -> decision), so the stage-by-stage specifics below are aggregated from multiple candidate-reported sources and should be treated as directional, not universal.
Stage 1: Recruiter Screen / Application Review
~30 minutes
Short introductory call with a Cisco recruiter to discuss background, motivation for the role, resume highlights, and logistics (location, visa status, comp expectations). Cisco's own careers page frames this as the 'Connect' step after 'Search and Apply.'
Stage 2: Online Assessment (mainly SWE and India campus/off-campus hiring)
70-90 minutes
HackerRank- or SHL-style test. Commonly reported format: 2-3 coding problems (ranging Easy to Hard) plus roughly 40 multiple-choice questions spanning general aptitude, data structures/algorithms, operating systems, databases, and networking (OSI model, subnetting, switches vs. routers). Some campus variants add a digital electronics/microprocessor section.
Stage 3: Technical Phone Screen(s)
45-60 minutes each
One or two rounds conducted over Webex/video call. Typically a resume walkthrough plus one medium-difficulty coding problem for SWE candidates; for network/TAC roles this instead focuses on core networking concepts (OSPF vs. EIGRP, STP, ACLs, troubleshooting approach) and resume-based technical questions.
Stage 4: Virtual Onsite / Final Loop
3-5 hours of interviews total, sometimes spread over 2 days
The core evaluation stage: typically 3-5 back-to-back interviews, sometimes split across two days, with peers, cross-functional partners, and/or the hiring manager. For engineering roles this usually includes 1-2 coding/DSA rounds, one system-design round, and one or two behavioral rounds. For TAC/network-consulting roles, candidates report an added exercise: being given roughly 25-30 pages of technical documentation, about an hour to prepare, and then presenting/whiteboarding a troubleshooting plan. For PM roles the loop tends to run recruiter -> hiring manager -> peer-to-manager -> engineering lead -> manager's-manager, weighted heavily toward behavioral and product-sense questions rather than whiteboard estimation.
Stage 5: Managerial / Hiring Manager Round
~30-45 minutes
Focuses on team fit, career goals, how the candidate handles conflict, and project obstacles; may overlap with or be folded into the final loop depending on role.
Stage 6: HR / ETR (Culture-Fit) Round
30-50 minutes
General discussion on cultural fit, communication style, motivation ('Why Cisco?'), compensation expectations, and location/relocation preferences. 'ETR' stands for 'Emerging Talent Recruitment' and is specifically the term Cisco's India campus/off-campus pipeline uses for this step; it isn't a universal stage name across all regions and functions. In US professional hiring, this culture-fit conversation is often folded into the recruiter screen or hiring-manager round rather than run as its own separate step, so don't be surprised if it doesn't appear as a distinct stage on your loop.
Stage 7: Decision / Offer
2-3 weeks after the final loop; candidates report waits of up to a month in some cases
Cisco consolidates feedback across all interviewers before extending an offer. Multiple independent sources describe this stage as slow, attributing delays to consensus-panel hiring, internal budget approvals, and (per one source) Cisco's July fiscal-year-end crunch.
Reported interview time, one scale in minutes
Where the minutes go
- Recruiter Screen / Application Review~30 min
- Online Assessment70 to 90 min
- Technical Phone Screen45 to 60 min
- Managerial / Hiring Manager Round~30 to 45 min
- HR / ETR Round30 to 50 min
Not drawn: Virtual Onsite / Final Loop and Decision / Offer, whose durations are not given in minutes.
02 / What Cisco scores
The framework.
No official, publicly documented candidate-facing interview rubric exists (nothing analogous to Amazon's named Leadership Principles). The two closest documented artifacts are Cisco's current culture framework, 'Our People Deal,' and a separate, older internal leadership-competency model called C-LEAD.
01
Connect Everything (Our People Deal value: access to people, information, and opportunity; aligning work to business/customer goals)
02
Innovate Everywhere (Our People Deal value: open, agile environment to pursue bold ideas and calculated risks)
03
Benefit Everyone (Our People Deal value: team support, development, and shared success)
04
C-LEAD: Collaborate (1 of 5 named themes in Cisco's internal 'Five Themes for Effective Leadership' competency model)
05
C-LEAD: Learn (2 of 5)
06
C-LEAD: Execute (3 of 5)
07
C-LEAD: Accelerate (4 of 5)
08
C-LEAD: Disrupt (5 of 5)
These are corporate culture/leadership-development artifacts, not a confirmed scored interview rubric. 'Our People Deal' (Connect Everything / Innovate Everywhere / Benefit Everyone) is Cisco's current, actively-promoted employee value proposition, and is the more useful of the two for interview prep; some career-coaching sources describe Cisco's behavioral questions as loosely values-based and tied to these themes, though there's no independent evidence interviewers formally score candidates against them the way, say, Amazon panels score against Leadership Principles.
C-LEAD ('Collaborate, Learn, Execute, Accelerate, Disrupt') is a distinct, older internal model documented in Cisco's 2008 corporate social responsibility report, aimed at director-level-and-above executives, not general candidates; no evidence surfaced that it is still active today or plays any role in interview evaluation, so treat it as background context rather than prep material.
Read the rest of the framework notesShow less
Bottom line: Cisco has no publicly documented, named interview evaluation framework, so preparation should focus on general behavioral/technical readiness plus genuine, current familiarity with Cisco's stated values and business lines.
03 / Coach's notes
Coach's tips.
01
Do not skip networking fundamentals even for a pure software-engineering role: OSI model, TCP vs. UDP, subnetting, and switch/router basics show up in OA multiple-choice sections and sometimes in technical screens regardless of team.
02
The final loop is long (often 3-5 hours, sometimes across two days) and mixes coding, system design, and behavioral rounds back-to-back. Pace your prep across all three rather than over-indexing on LeetCode alone.
03
Prepare several STAR-formatted stories in advance: behavioral questions recur at nearly every stage (recruiter screen, technical rounds, managerial round, HR round), and specific prompts like 'tell me about a big failure' and 'tell me about a time you made the wrong decision' are repeatedly cited by candidates.
04
For system-design rounds, frame your answer around whether the problem is a control-plane, data-plane, or management-plane concern. This networking-infrastructure lens is reportedly what distinguishes strong answers at Cisco from generic 'design Twitter'-style responses. Cisco also leans into infrastructure-flavored prompts specifically (telemetry/monitoring at scale, video-conferencing platforms, IoT data ingestion) rather than only the generic rate-limiter/URL-shortener catalog, so practice applying general system-design patterns to networking-shaped problems.
05
Expect a slow post-loop decision (commonly 2-4 weeks, occasionally up to a month) due to consensus-panel hiring and internal approval cycles; don't assume silence within a week or two means rejection, but do follow up with your recruiter if you haven't heard back after ~2-3 weeks.
06
Genuinely research Cisco's current business lines (networking/switching-routing, security via Duo/Splunk, collaboration via Webex, observability, AI infrastructure) before the HR/'why Cisco' round. Interviewers reportedly probe for authentic, specific knowledge of the business rather than generic enthusiasm.
07
If interviewing for a TAC/network-consulting-engineer role specifically, prepare for a documentation-based exercise: some candidates report being given roughly 25-30 pages of technical material with about an hour to prepare a troubleshooting plan or presentation, which is distinct from the standard coding/behavioral loop.
08
Don't chase 'Cisco's official competency framework' as prep material; it doesn't exist in candidate-facing form. If you see 'C-LEAD' referenced online, know it's a legacy 2008-era executive leadership model, not something interviewers score you against; your time is better spent on the People Deal values (Connect Everything, Innovate Everywhere, Benefit Everyone) and genuine business knowledge.
04 / The research
Where this page comes from.
Compiled from public sources across 17 sites. Cisco's own page is among them: careers.cisco.com/global/en/how-we-hire.
- sites
- 17
- coaching and prep guides
- 13
- candidate reports and forums
- 6
- Cisco's own pages
- 3
Source composition
Where the research comes from
Grouped by the kind of site that published each source: Cisco's own domain, candidate forums, and everything else.
- Coaching and prep guides13
- Candidate reports and forums6
- Cisco's own pages3
05 / The questions
Reported questions, by category.
Showing questions for
Roles are grouped by the category each question fits, not by the source.
Coding / Data Structures & Algorithms
(software engineering roles)
8 questions
Reverse a linked list / detect a cycle in a linked list
Tests pointer manipulation on linked lists; expect iterative reversal and Floyd's cycle-detection with O(1) space.
Number of Islands (graph/matrix traversal)
Tests grid traversal with BFS/DFS and visited-state tracking; a standard connected-components problem.
Course Schedule (topological sort / cycle detection in a graph)
Tests topological sort and cycle detection on a directed graph, via DFS coloring or Kahn's algorithm.
Maximum Subarray (Kadane's algorithm)
Tests dynamic programming intuition; interviewers expect the O(n) Kadane's algorithm over brute force.
House Robber (dynamic programming)
Tests 1D dynamic programming with a take-or-skip recurrence over adjacent elements.
Design and implement an LRU Cache
Tests combining a hash map with a doubly linked list to get O(1) get and put; a data-structure design classic.
Find the Kth largest element in a stream
Tests heap usage; keep a size-k min-heap so the root is the running kth largest.
Design a Trie-based autocomplete/dictionary feature
Tests trie construction and prefix traversal; expect discussion of memory versus lookup trade-offs.
Reported problems, listed so you know what to expect. Practice them in your own editor or on the platform you prefer; SupaCV's practice mode coaches how you talk through them.
System Design
9 questions
Design a rate limiter
System design: they probe token-bucket versus sliding-window algorithms and distributed counter storage.
Design a parking lot system
Object-oriented design exercise; they look for clean class modeling of spots, vehicles, and allocation rules.
Design a logging library
Tests API design plus buffering, log levels, rotation, and thread-safe writes.
Design a URL shortener
System design staple; covers ID generation, hashing versus counters, storage, and redirect latency.
Design a network/telemetry monitoring system for thousands of devices (a recurring, Cisco-flavored prompt)
System design: ingesting metrics from thousands of devices; they probe polling versus push, aggregation, and alerting.
Design a scalable video conferencing platform (e.g., something like Webex)
System design: they probe media streaming, signaling, latency, and scaling concurrent sessions.
Design a system like Uber or Airbnb, and discuss where it would fall short at scale
System design: beyond the standard architecture, they want you to identify scaling bottlenecks and failure points.
How does concurrency apply in a distributed system?
Concept question on concurrency: expect races, locking, consistency, and coordination across nodes.
Is this a control-plane, data-plane, or management-plane problem, and how does that change your latency/consistency trade-offs? (a framing Cisco interviewers reportedly probe for, given the company's networking-infrastructure background)
Tests networking-style layering: classifying a problem by plane and reasoning about latency and consistency budgets.
Reported problems, listed so you know what to expect. Practice them in your own editor or on the platform you prefer; SupaCV's practice mode coaches how you talk through them.
Networking & CS Fundamentals
(asked broadly, and especially for network/TAC/NCE roles)
8 questions
Explain the OSI model layers and the difference between TCP and UDP
Networking fundamentals: layer responsibilities plus TCP reliability versus UDP speed trade-offs.
What is the difference between a hub, switch, and router? What are collision domains vs. broadcast domains?
Networking fundamentals: device roles at layers 1-3 and how each bounds collision and broadcast domains.
Compare OSPF and EIGRP as routing protocols
Tests routing-protocol knowledge: link-state versus advanced distance-vector, metrics, and convergence behavior.
Explain distance-vector vs. link-state routing
Networking fundamentals: how the two routing families share topology data and their convergence trade-offs.
How does Spanning Tree Protocol (STP) prevent loops?
Tests understanding of Spanning Tree Protocol: root bridge election and port blocking to break Layer 2 loops.
Explain subnetting/VLSM and how you'd design an IP addressing scheme
Tests IP addressing skills: CIDR math, VLSM allocation, and designing a scheme that leaves growth room.
How would you troubleshoot a customer's network outage using logs and packet captures?
Tests structured troubleshooting: isolating faults layer by layer using logs and packet captures.
Walk through configuring a site-to-site VPN or an ACL on a Cisco router
Hands-on Cisco configuration knowledge: VPN tunnel setup or ACL ordering and rule evaluation.
Reported problems, listed so you know what to expect. Practice them in your own editor or on the platform you prefer; SupaCV's practice mode coaches how you talk through them.
Product Sense & Business
(product management / TPM roles)
4 questions
How would you define a product roadmap and prioritize features against strategic goals and customer needs?
How would you position a new product to address an emerging trend in networking or security?
Walk me through how you'd measure success after launching a new enterprise product
How do you balance customer/sales requests against engineering constraints and timelines?
Every role
Behavioral / Culture Fit
7 questions
Tell me about yourself
Why do you want to work at Cisco?
Tell me about a time you had to differentiate your product or solution from a competitor's
Tell me about a significant failure in your career, your role in it, and what you learned
Tell me about a time you made the wrong decision. What happened and how did you recover?
Describe a conflict with a teammate or cross-functional partner and how you resolved it
Tell me about a time you had to learn something new quickly to solve a problem
Every role
Product Sense & Business
(product management / TPM roles)
2 questions
How do you stay informed about industry trends relevant to Cisco's portfolio?
Describe a product management challenge you faced, your approach, and the outcome
Your next step
Interviewing at Cisco?
Make sure your resume gets you to the first round.
Practicing for Cisco against your resume is in Interview Prep on Career.
Common questions
Quick answers.
How many stages are in Cisco's interview process?
Cisco has 7 stages, set out in The process.
What framework does Cisco use to evaluate candidates?
The framework behind Cisco's evaluation is set out in What Cisco scores.
What kinds of questions does Cisco ask?
Cisco's questions fall into 5 categories, grouped in The questions.
How reliable is this Cisco interview playbook?
It is compiled from public sources, and the evidence is in The research.
Sources (22)
Every public source this page was compiled from. Links open in a new tab.
17 sites, by sources
- glassdoor.com4
- geeksforgeeks.org2
- leetcode.com2
- careers.cisco.com1
- techprep.app1
- systemdesignhandbook.com1
- educative.io1
- github.com1
- stealthcoder.app1
- adaface.com1
- productalliance.com1
- leonstaff.com1
- bstrategyhub.com1
- weare.cisco.com1
- cisco.com1
- interviewkickstart.com1
- algo.monster1
- 01careers.cisco.com/global/en/how-we-hire
- 02techprep.app/blog/cisco-interview-process
- 03glassdoor.com/Interview/Cisco-Interview-Questions-E1425.htm
- 04glassdoor.com/Interview/Cisco-Software-Engineer-Interview-Questions-…
- 05glassdoor.com/Interview/Cisco-TAC-Engineer-Interview-Questions-EI_IE…
- 06systemdesignhandbook.com/guides/cisco-system-design-interview
- 07educative.io/blog/cisco-system-design-interview
- 08geeksforgeeks.org/interview-experiences/cisco-recruitment-process
- 09geeksforgeeks.org/cisco-recruitment-process
- 10leetcode.com/discuss/interview-question/3774160/CISCO-Past-Intervie…
- 11leetcode.com/company/cisco
- 12github.com/snehasishroy/leetcode-companywise-interview-questions/…
- 13stealthcoder.app/companies/cisco
- 14adaface.com/blog/cisco-networking-interview-questions
- 15productalliance.com/product-management-cheat-sheets/cisco-pm-intervew-prep
- 16leonstaff.com/blogs/cisco-interview-response-time
- 17bstrategyhub.com/cisco-mission-statement-vision-core-values-analysis
- 18glassdoor.com/employers/blog/cisco-built-winning-culture
- 19weare.cisco.com/c/r/weare/people-deal.html
- 20cisco.com/web/about/ac227/csr2008/our-employees/developing-leade…
- 21interviewkickstart.com/blogs/companies/two-month-cisco-tech-interview-prepara…
- 22algo.monster/interview-guides/cisco
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How similar companies interview
Compare Cisco's process with other Enterprise Tech companies in this playbook: