{"id":2778784,"url":"https://alion.io/job/persistent-systems-senior-network-security-engineer","title":"Senior Network Security Engineer","company":{"id":59479,"name":"Persistent Systems","domain":"persistent.com","url":"https://alion.io/company/persistent-systems","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Zwayam","truth_index":{"grade":"B","score":75,"open_postings":17,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-17T05:46:00Z"}},"role":"Security","role_family":"Security","seniority":"senior","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Noida, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":17000,"max_usd":37000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":11},"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Ansible","optional":false},{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"GCP","optional":false},{"name":"PowerShell","optional":false},{"name":"Python","optional":false},{"name":"VPN","optional":false}],"status":"live","first_seen_at":"2026-10-07T10:43:20Z","employer_posted_date":"2026-10-17","last_verified_at":"2026-10-18T03:00:12Z","board_verified":true,"closed_at":null,"days_open":10,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":10},"description":"About Persistent\nWe are an AI-led, platform-driven Digital Engineering and Enterprise Modernization partner, combining deep technical expertise and industry experience to help our clients anticipate what’s next. Our offerings and proven solutions create a unique competitive advantage for our clients by giving them the power to see beyond and rise above. We work with many industry-leading organizations across the world, including 20 Fortune 50 companies and 4 of the 5 top banks in both the US and India, and numerous innovators across the healthcare ecosystem.\nOur disruptor’s mindset, commitment to client success, and agility to thrive in the dynamic environment have enabled us to sustain our growth momentum. Persistent has been recognized across top industry platforms for innovation, leadership, and inclusion. We reported $1,654.4M FY26 revenue with 17.4% Y-o-Y growth. We have delivered 24 sequential quarters of growth with $436.0M in Q4 FY26 revenue, up 3.2% Q-o-Q and 16.2% Y-o-Y growth. Our 27,500+ global team members, located in 18 countries, have been instrumental in helping the market leaders transform their industries. We have been recognized as the Fastest Growing IT Services Brand Globally in the 2026 Brand Finance IT Services 25 Report. We named a Leader in the Everest Group Private Equity (PE) Services PEAK Matrix® Assessment 2026 and Software Product Engineering PEAK Matrix® Assessment 2026.\nAbout Position:\nWe are seeking an experienced Senior Network Security Engineer to join our team and drive the design, implementation, and management of secure network infrastructure solutions. The ideal candidate will possess strong expertise in Palo Alto Firewall technologies, network administration, and enterprise firewall management. This role requires a blend of hands-on technical delivery, solution design, operational excellence, stakeholder collaboration, and technical leadership to ensure secure, scalable, and highly available network environments.\nRole: Senior Network Security Engineer\nLocation: Noida\nExperience: 8 to 12 Years\nJob Type: Full Time Employment\nWhat You'll Do:\nDesign, implement, and manage secure network infrastructure solutions using Palo Alto Firewall technologies.\nDefine scalable, resilient, and secure network architectures that align with business and security objectives.\nLead technical discovery sessions and evaluate network security requirements, risks, and solution alternatives.\nDevelop implementation strategies, network security controls, and operational standards.\nConfigure, maintain, and optimize Palo Alto Firewall policies, security profiles, NAT rules, and VPN configurations.\nSupport network administration activities including routing, switching, connectivity management, and performance optimization.\nCollaborate with infrastructure, security, cloud, and application teams to ensure seamless integration of network security controls.\nDrive automation, configuration reviews, testing, troubleshooting, and production readiness initiatives.\nMonitor network health, security incidents, and performance metrics to ensure high availability and reliability.\nConduct root-cause analysis and resolve complex network and firewall-related issues.\nImplement and enforce security best practices, compliance requirements, and governance standards.\nSupport migration, upgrade, and transformation projects involving network security platforms.\nCreate and maintain network architecture documentation, operational procedures, and technical runbooks.\nMentor junior engineers and promote engineering best practices, reusable solutions, and technical standards.\nExpertise You'll Bring:\n8 to 12 years of experience in Network Engineering with a strong focus on firewall deployment, migration, and support.\nDeep expertise in Palo Alto Firewall administration, deployment, configuration, and operational support.\nHands-on experience configuring and managing Next-Generation Firewalls (NGFWs).\nStrong knowledge of VPN technologies, NAT, routing protocols, traffic management, and enterprise security policies.\nExperience planning and executing firewall migration projects, cutovers, validation activities, and post-deployment support.\nStrong understanding of network protocols, routing concepts, switching technologies, and network architecture.\nProven troubleshooting skills across firewall, routing, connectivity, performance, and security-related issues.\nExperience providing Tier 2 and Tier 3 support within enterprise environments.\nProficiency in automation and scripting using PowerShell, Python, Ansible, or similar technologies.\nExperience implementing network automation initiatives and operational efficiency improvements.\nStrong understanding of network security principles, segmentation, access control, and threat prevention technologies.\nExperience coordinating with infrastructure, application, operations, and cybersecurity teams.\nKnowledge of cloud networking and cloud security best practices across AWS, Azure, or GCP environments.\nFamiliarity with hybrid network architectures and cloud connectivity solutions.\nExperience with additional firewall technologies and enterprise network security platforms.\nPalo Alto certifications such as PCNSE or equivalent network security certifications are highly desirable.\nStrong analytical, troubleshooting, and root-cause analysis capabilities.\nExcellent verbal and written communication skills.\nAbility to work effectively in cross-functional and geographically distributed teams.\nExperience maintaining deployment documentation, operational procedures, and technical runbooks.\nStrong ownership mindset with focus on reliability, security, and operational excellence.\nAbility to lead complex network deployment and migration initiatives from planning through production support.\nCommitment to continuous learning and staying current with emerging networking and cybersecurity technologies.\nBenefits:\nCompetitive salary and benefits package\nCulture focused on talent development with quarterly growth opportunities and company-sponsored higher education and certifications\nOpportunity to work with cutting-edge technologies\nEmployee engagement initiatives such as project parties, flexible work hours, and Long Service awards\nAnnual health check-ups\nInsurance coverage: group term life, personal accident, and Mediclaim hospitalization for self, spouse, two children, and parents\nValues-Driven, People-Centric & Inclusive Work Environment:\nPersistent is dedicated to fostering diversity and inclusion in the workplace. We invite applications from all qualified individuals, including those with disabilities, and regardless of gender or gender preference. We welcome diverse candidates from all backgrounds.\nWe support hybrid work and flexible hours to fit diverse lifestyles.\nOur office is accessibility-friendly, with ergonomic setups and assistive technologies to support employees with physical disabilities.\nIf you are a person with disabilities and have specific requirements, please inform us during the application process or at any time during your employment\nLet’s unleash your full potential at Persistent -persistent.com/careers\n“Persistent is an Equal Opportunity Employer and prohibits discrimination and harassment of any kind.”","description_format":"text","description_chars":7257,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Continuous learning","Equity","Flexible schedule","Growth opportunities","Hybrid work","Insurance coverage"],"hiring_locations":[{"name":"India","iso":"IN","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Network Security","Artificial Intelligence","Health Care","Information Technology"],"lifecycle":[{"event":"open","at":"2026-10-17T10:44:57Z"}],"visa":[],"liveness":{"score":73,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.806,"p_room":0.9,"age_days":10,"expected_fill_days":26,"reasons":["conf:2","win:mid","comp:brand"],"computed_at":"2026-10-18T05:15:41Z"},"pay":null,"html_url":"https://alion.io/job/persistent-systems-senior-network-security-engineer","json_url":"https://alion.io/job/persistent-systems-senior-network-security-engineer.json","meta":{"generated_at":"2026-10-18T05:15:41Z","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":7950,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-19T00:00:00Z"}},"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":59479},"rest":"https://alion.io/mcp/rest/get_company?id=59479"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fpersistent-systems-senior-network-security-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%2Fpersistent-systems-senior-network-security-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%2Fpersistent-systems-senior-network-security-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/persistent-systems-senior-network-security-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fpersistent-systems-senior-network-security-engineer"}]}