Accelerating global businesses on their journey towards cyber resilience.
Network Security Engineer
Location
United States
Posted
80 days ago
Salary
0
Seniority
Lead
Job Description
Network Security Engineer
ISTARI
• Delivers Network Security architecture and engineering support for Zscaler ZIA/ZPA • Firewall policy management, and segmentation across on-prem, remote, and cloud environments • Administer Zscaler ZIA and ZPA environments, including policy configuration, rule tuning, and SSL inspection • Manage firewall and proxy rules across enterprise infrastructure, ensuring alignment with Zero Trust segmentation principles • Investigate anomalous network traffic and support SOC incident response by analysing packet flows, proxy logs, and threat intelligence • Collaborate with architects and SOC teams to integrate Zscaler telemetry into Microsoft Sentinel • Design secure connectivity patterns for on-prem, remote, and cloud users with policy-based routing and segmentation • Provide escalation support for complex network security incidents
Job Requirements
- Bachelor’s degree in science or engineering
- 8-10 years of experience in Network Design & Architecture with in-depth knowledge of firewalls, VPNs, VLANs, DMZs, SD-WAN, SASE, and remote access technologies
- Expertise in designing secure network topologies, network segmentation (micro and macro), Zero Trust models, and data center architecture
- Strong knowledge of IT/OT Network Segmentation, Zero Trust, and industry standards for network security architecture and governance
- Security certifications (e.g., CISSP, Cisco Network Security certifications like CCNP, CCIE)
- Excellent architect skills with effective communication with ability to create client deliverables
- Strong analytical skills to identify risks, develop design blueprints, and solve complex network security challenges
Related Guides
Related Categories
Related Job Pages
More Security Engineer Jobs
Senior Manager, Cyber Defense
DoorDash USAAt DoorDash, our mission to empower local economies shapes how our team members move quickly, learn, and reiterate in order to make impactful decisions that display empathy for our range of users—from Dashers to merchant partners to consumers. We are a technology and logistics company that started by enabling door-to-door delivery, and we are looking for team members who can help us go from a company that is known as the place you order food to a company that people turn to for any and all goods. DoorDash is growing rapidly and changing constantly, which gives our team members the opportunity to share their unique perspectives, solve new challenges, and own their careers. We're committed to supporting employees’ happiness, healthiness, and overall well-being by providing comprehensive benefits and perks including premium healthcare, wellness expense reimbursement, paid parental leave and more.
About the Team At DoorDash, including the international brands Deliveroo and Wolt, we’re building the industry’s most scalable and reliable delivery network to support our three-sided marketplace of consumers, merchants, and Dashers. Security is integral to the success of the business, as we secure the data and protect the privacy of our business and various stakeholders. Our global Security team covers proactive security, cyber defense, GRC, enterprise security and physical security and safety. Our Cyber Defense team is a global team that spans the US, UK, EU and India. Our Mission is to create a secure DoorDash environment through proactive threat preparation and rapid response, leveraging automation and AI as much as we can. We are committed to protecting our people, partners, customers, and technologies with robust safeguards and unwavering vigilance. About the Role The Senior Manager of Cyber Defense will lead the Cyber Defense team in the US. This critical role is responsible for ensuring the organization's security posture by proactively identifying, investigating, and mitigating cybersecurity threats and incidents, as well as building AI-based automation. The Senior Manager will report to the director of Cyber Defense in the EU to execute on strategic plans and projects to enhance the company's security posture across all the brands. The role requires active collaboration with team members in the UK and EU (Deliveroo and Wolt), which is why the role will be fulfilled in the US East time zone. You’re excited about this opportunity because you will… - Develop and implement a roadmap for continuous improvement of the team's capabilities, to include building net new functional areas. Automation and AI feature prominently. - Lead the response to information security incidents, including investigation of, countermeasures to, and recovery from cyber attacks, unauthorized access, and policy breaches. - Especially with incidents, act as the executive support for Americas timezone business and Legal, which includes participating in on-call for escalations or sometimes an incident commander role in high profile cases. - Define, monitor, and report key performance indicators and service level agreements for internal teams and external vendors. - Develop, maintain, and execute on key incident response plans and playbooks for global response. - Collect and analyze information security threat intelligence to proactively identify and assess threats that could impact DoorDash. - Hire, mentor, and train security engineers, fostering a culture of continuous learning, resilience and sustainable work, knowledge sharing, and collaboration within the Cyber Defense team. We’re excited about you because… - 10+ years of experience in information security and people management. Must have experience leading Incident Response, Incident Management, Investigations and Threat Hunt functions. - Experience working with global partners in a follow-the-sun model. - Experience providing technical leadership and guidance, and thinking strategically and analytically to solve problems, - Excellent understanding of information security operations related frameworks and standards (e.g., MITRE ATT&CK and NIST). - Understanding and actively following the technology surrounding large language models. - Excellent communication, presentation, and stakeholder management skills. - Led with a people-first approach, is able to facilitate a conversation rather than dictate it, and is empathetic to divergent viewpoints. We expect this position to be filled by 5/17/2026. Compensation The successful candidate’s starting pay will fall within the pay range listed below and is determined based on job-related factors including, but not limited to, skills, experience, qualifications, work location, and market conditions. Base salary is localized according to an employee’s work location. Ranges are market-dependent and may be modified in the future. In addition to base salary, the compensation for this role includes opportunities for equity grants. Talk to your recruiter for more information. DoorDash cares about you and your overall well-being. That’s why we offer a comprehensive benefits package to all regular employees, which includes a 401(k) plan with employer matching, 16 weeks of paid parental leave, wellness benefits, commuter benefits match, paid time off and paid sick leave in compliance with applicable laws (e.g. Colorado Healthy Families and Workplaces Act). DoorDash also offers medical, dental, and vision benefits, 11 paid holidays, disability and basic life insurance, family-forming assistance, and a mental health program, among others. To learn more about our benefits, visit our careers page here. See below for paid time off details: - For salaried roles: flexible paid time off/vacation, plus 80 hours of paid sick time per year. - For hourly roles: vacation accrued at about 1 hour for every 25.97 hours worked (e.g. about 6.7 hours/month if working 40 hours/week; about 3.4 hours/month if working 20 hours/week), and paid sick time accrued at 1 hour for every 30 hours worked (e.g. about 5.8 hours/month if working 40 hours/week; about 2.9 hours/month if working 20 hours/week). The national base pay range for this position within the United States, including Illinois and Colorado. $231,200—$340,000 USD About DoorDash At DoorDash, our mission to empower local economies shapes how our team members move quickly, learn, and reiterate in order to make impactful decisions that display empathy for our range of users—from Dashers to merchant partners to consumers. We are a technology and logistics company that started by enabling door-to-door delivery, and we are looking for team members who can help us go from a company that is known as the place you order food to a company that people turn to for any and all goods. DoorDash is growing rapidly and changing constantly, which gives our team members the opportunity to share their unique perspectives, solve new challenges, and own their careers. We're committed to supporting employees’ happiness, healthiness, and overall well-being by providing comprehensive benefits and perks including premium healthcare, wellness expense reimbursement, paid parental leave and more. Our Commitment to Diversity and Inclusion We’re committed to growing and empowering a more inclusive community within our company, industry, and cities. That’s why we hire and cultivate diverse teams of people from all backgrounds, experiences, and perspectives. We believe that true innovation happens when everyone has room at the table and the tools, resources, and opportunity to excel. Statement of Non-Discrimination: In keeping with our beliefs and goals, no employee or applicant will face discrimination or harassment based on: race, color, ancestry, national origin, religion, age, gender, marital/domestic partner status, sexual orientation, gender identity or expression, disability status, or veteran status. Above and beyond discrimination and harassment based on “protected categories,” we also strive to prevent other subtler forms of inappropriate behavior (i.e., stereotyping) from ever gaining a foothold in our office. Whether blatant or hidden, barriers to success have no place at DoorDash. We value a diverse workforce – people who identify as women, non-binary or gender non-conforming, LGBTQIA+, American Indian or Native Alaskan, Black or African American, Hispanic or Latinx, Native Hawaiian or Other Pacific Islander, differently-abled, caretakers and parents, and veterans are strongly encouraged to apply. Thank you to the Level Playing Field Institute for this statement of non-discrimination. Pursuant to the San Francisco Fair Chance Ordinance, Los Angeles Fair Chance Initiative for Hiring Ordinance, and any other state or local hiring regulations, we will consider for employment any qualified applicant, including those with arrest and conviction records, in a manner consistent with the applicable regulation. If you need any accommodations, please inform your recruiting contact upon initial connection.
Oracle Cloud Security Consultant
SafePaaSFederated Identity Access Governance . Secure Every Identity. Govern Every Layer of your Organization.
• Work as part of a team of problem solvers, helping to solve complex business issues from strategy to execution. • Perform services including security and control reviews, pre-implementation & post-implementation design assurance and data driven analytics reviews. • Lead the security configuration and security implementation of Oracle cloud Finance modules. • Implement and support Risk Management controls such as Advanced Access Controls and Oracle Advanced Financials Controls solution to meet the clients Governance, Risk and Compliance needs. • Co-facilitate and/or attend client design/fit gap analysis workshops to understand business requirements, identify potential solutions and drive consensus on the implementation and create functional specifications. • Work with multiple onsite/offshore teams as an individual contributor with minimal supervision also provides guidance to junior team members as required. • Provide support during SIT, UAT and Go Live. • Provide post-implementation support as part of Managed Services projects. • Understand the cloud architecture and design technical development. • Perform end to end system integration testing and functional testing.
EBS Security Technical Consultant
SafePaaSFederated Identity Access Governance . Secure Every Identity. Govern Every Layer of your Organization.
• Part of a team that performs services including security and control reviews • Leading the security configuration and implementation of Oracle EBS Finance modules • Implementing and supporting Risk Management controls • Co-facilitating and/or attending client design/fit gap analysis workshops • Working with multiple onsite/offshore teams as an individual contributor • Providing post-implementation support as part of Managed Services projects • Understanding the cloud architecture and design technical development • Performing end to end system integration testing and functional testing
• Scale an elite team– Build and inspire an ever-growing Hive of world-class ethical hackers. Recruit top talent, mentor them into leaders and expand our UK Red Team from a fast-growing squad to an unrivalled force. • Own the attack strategy – Define and execute the offensive playbook. From digital intrusion to physical social engineering, you will decide where and how we strike next to keep clients perpetually on their guard (and safe). • Drive relentless delivery – Oversee end-to-end red team operations. Ensure our unlimited-scope attacks stay agile, unpredictable and brutally effective. Every engagement should push the envelope of what is possible in offensive security. • Innovate and experiment – Champion a culture of innovation and hacking research. Encourage the team to find new vulnerabilities, develop novel exploits and think like attackers who break the rules . You will keep us ahead of the curve at all times. • Engage and influence – Be the offensive security evangelist for our clients. Interface directly with customers’ C-suites and boards, translating our hackers’ findings into business insights they can act on. Support our Sales team in big deals with your credibility and vision, and turn prospects into believers. • Mentor the Hive – Develop the next generation of adversarial experts. Coach and train your team members in advanced tradecraft, refine their soft skills, and instill in them the confidence to present and lead. • Collaborate globally – Work with CovertSwarm’s US and global leadership to ensure we operate as one unified Swarm. Share tactics, align on strategy, and contribute to the overall direction of our services. You will have a seat at the table influencing our global offensive strategy.


