{"id":2921293,"url":"https://alion.io/job/mckesson-network-security-waf-engineer","title":"Network Security (WAF) Engineer","company":{"id":4393,"name":"McKesson","domain":"mckesson.com","url":"https://alion.io/company/mckesson","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":80,"open_postings":33,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":12,"computed_at":"2026-10-25T05:49:26Z"}},"role":"Security","role_family":"Security","seniority":"middle","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Cork, Ireland"],"countries":["IE"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":50000,"max_usd":118000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":774},"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"DNS","optional":false},{"name":"TCP/IP","optional":false},{"name":"AWS","optional":true},{"name":"Azure","optional":true},{"name":"Gmail","optional":true}],"status":"live","first_seen_at":"2026-10-20T12:03:48Z","employer_posted_date":"2026-10-20","last_verified_at":"2026-10-23T07:59:57Z","board_verified":false,"closed_at":null,"days_open":4,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":4},"description":"McKesson is an impact-driven, Fortune 10 company that touches virtually every aspect of healthcare. We are known for delivering insights, products, and services that make quality care more accessible and affordable. Here, we focus on the health, happiness, and well-being of you and those we serve - we care.\nWhat you do at McKesson matters. We foster a culture where you can grow, make an impact, and are empowered to bring new ideas. Together, we thrive as we shape the future of health for patients, our communities, and our people. If you want to be part of tomorrow’s health today, we want to hear from you.\nNetwork Security Engineer (WAF) - P3\nAbout the Role (Job Summary)\nAs a Network Security Engineer (Web Application Firewall), you will play a key role in protecting McKesson’s global technology environment by designing, implementing, and optimising security controls across cloud and on-premises platforms. You will work closely with infrastructure, application, and cybersecurity teams to secure internet-facing applications, strengthen network security controls, and reduce organisational risk. This role combines hands-on engineering with security consulting, helping teams integrate security into technology solutions while maintaining application availability and performance. You will also contribute to incident response, risk reduction initiatives, and the continuous improvement of McKesson’s cybersecurity capabilities.\nWhat You’ll Do (Responsibilities)\nDesign, implement, and maintain Web Application Firewall (WAF) protections for internet-facing applications, including custom security policies, rate limiting, geo-blocking, and threat detection rules.\nDevelop and manage network security controls, including firewall policies, network segmentation, ingress and egress controls, and secure access configurations.\nPartner with application, infrastructure, and engineering teams to understand application architectures, traffic flows, and business requirements, ensuring security controls are both effective and operationally sustainable.\nAnalyse network traffic, security events, and application behaviour to identify risks, investigate security concerns, and improve detection capabilities.\nEvaluate, implement, and optimise security technologies and controls to enhance protection against vulnerabilities, emerging threats, and unauthorised access.\nSupport incident response, forensic investigations, vulnerability remediation activities, and disaster recovery planning by providing technical security expertise.\nDocument security architectures, configurations, procedures, and standards while promoting security best practices across technology teams.\nBasic Requirements\n4+ years of experience implementing and supporting enterprise network security technologies, including firewalls, web application firewalls, or intrusion prevention systems.\nExperience configuring and managing Web Application Firewall (WAF) solutions to protect internet-facing applications and APIs.\nExperience designing, implementing, and maintaining firewall rules, network segmentation controls, and access management policies in enterprise environments.\nStrong understanding of TCP/IP networking, application traffic flows, DNS, HTTP/HTTPS, and network security architecture principles.\nExperience analysing network traffic, security logs, and security events to support investigations, threat detection, and incident response activities.\nExperience assessing security risks, validating security control effectiveness, and identifying opportunities to improve security posture.\nStrong documentation skills with experience creating technical documentation, security standards, procedures, and configuration records.\nPreferred Skills/Experience\n Minimum Education & Typical Experience or Equivalent Combination: Bachelor’s degree or equivalent combination of education and experience, with 4+ years of experience in cybersecurity engineering, network security, infrastructure security, or a related technical field.\nExperience securing cloud-based environments and applications within AWS, Azure, or other enterprise cloud platforms.\nKnowledge of Operational Technology (OT) security, supply chain security, or AI security risks and associated controls.\nExperience mentoring team members and contributing to technical leadership, security best practices, and continuous improvement initiatives.\nAt McKesson, we care about the well-being of the patients and communities we serve, and that starts with caring for our people. That’s why we have a Total Rewards package that includes comprehensive benefits to supportphysical, mental, and financial well-being. Our Total Rewards offerings serve the different needs of our diverse employee population and ensure they are the healthiest versions of themselves.\nAs part of Total Rewards, we are proud to offer a competitive compensation package at McKesson. This is determined by several factors, including performance, experience and skills, equity, regular job market evaluations, and geographical markets. The pay range shown below is aligned with McKesson's pay philosophy, and pay will always be compliant with any applicable regulations.In addition to base pay, other compensation, such as an annual bonus or long-term incentive opportunities may be offered.\nOur Base Pay Range for this position\n€52,500 - €87,500McKesson has become aware of online recruiting-related scams in which individuals who are not affiliated with or authorized by McKesson are using McKesson’s (or affiliated entities, like CoverMyMeds or RxCrossroads) name in fraudulent emails, job postings or social media messages. In light of these scams, please bear the following in mind:\nMcKesson Talent Advisors will never solicit money or credit card information in connection with a McKesson job application.\nMcKesson Talent Advisors do not communicate with candidates via online chatrooms or using email accounts such as Gmail or Hotmail. Note that McKesson does rely on a virtual assistant (Gia) for certain recruiting-related communications with candidates.\nMcKesson job postings are posted on our career site: careers.mckesson.com.","description_format":"text","description_chars":6155,"description_truncated":false,"requirements":{"experience_years_min":4,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Equity"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Network Security","Health Care","Pharmaceutical Distribution","Medical Equipment Distribution"],"lifecycle":[{"event":"open","at":"2026-10-20T12:03:48Z"}],"visa":[],"liveness":{"score":55,"band":"ok","label":"Likely open","p_open":1,"p_active":0.609,"p_room":0.9,"age_days":4,"expected_fill_days":12,"reasons":["conf:45","stale_co","velocity","win:mid","comp:brand"],"computed_at":"2026-10-25T05:49:26Z"},"pay":null,"html_url":"https://alion.io/job/mckesson-network-security-waf-engineer","json_url":"https://alion.io/job/mckesson-network-security-waf-engineer.json","meta":{"generated_at":"2026-10-25T11:58:12Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":17240,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-26T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":4393},"rest":"https://alion.io/mcp/rest/get_company?id=4393"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fmckesson-network-security-waf-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fmckesson-network-security-waf-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fmckesson-network-security-waf-engineer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/mckesson-network-security-waf-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmckesson-network-security-waf-engineer"}]}