> Markdown version of [/jobs/ext/4400110-manager-network-security-engineering-ops](https://www.wearedevelopers.com/jobs/ext/4400110-manager-network-security-engineering-ops). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Manager - Network Security Engineering & Ops - **Company:** DFin Inc - **Location:** United States (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Microsoft Azure, Bioinformatics, Cyber Security, Data Room, DDoS Mitigation, Network Security, Remote Access Technology, Cloud Services, Zero Trust Network Access, Salesforce.Com, Software Vulnerability Management, Wide Area Networks, Wireless Access Point, Network Routers, Enterprise Software Applications, Load Balancing, System Availability, Firewalls (Computer Science), Performance Monitor, Wireless Technologies, Ddos, Devsecops - **Published:** October 18, 2026 - **Apply:** https://www.builtincolorado.com/job/sr-manager-network-security-engineering-ops/11761572?handler=ApplyRedirect ## About the Role * Bachelor's degree in a relevant discipline or equivalent experience. * CISSP, CISM, CCNP, and/or other relevant certifications are a plus. * Minimum of 5 years' experience leading network and other engineering disciplines including related architecture efforts. * Minimum of 5 years' experience designing and implementing enterprise network security or similar engineering disciplines; demonstrates exceptional innovation and keen awareness of external threats necessary to drive a preventative posture. * Strong demonstrated knowledge of network security products including firewall, WAF, load balancer, DDoS, and microsegmentation technologies. * Strong demonstrated knowledge of networking products including routers, switches, and wireless technologies. * Proven experience interfacing with senior management and communicating complex cybersecurity concepts in business-relevant ways. * Strong demonstrated knowledge of enterprise systems, cloud solutions, and IT/security technologies. * Extensive experience in strategic planning, budgeting, and resource allocation. * Excellent written and verbal communication skills with experience presenting to leadership teams and communicating security and risk-related concepts to both technical and non-technical audiences. * Strong business analysis skills, problem-solving techniques, and follow-through. * Willing and able to roll up sleeves and lead from the front. * A self-starter with a can-do attitude who drives engagement and accountability internally and cross-functionally. * A driver and implementer who possesses the poise and ability to act calmly and competently in high-pressure, high-stress situations., If you are a qualified individual w ith a disability or a disabled veteran, you have the right to request a reasonable accommodation if you are unable or limited in your ability to use or access jobs.dfinsolutions.com as a result of your disability. You can request a reasonable accommodation by sending an email to [email protected] . At DFIN, protecting your identity is a top priority. Please be aware of scammers impersonating DFIN recruiters. DFIN recruiters will never request personal information via email or text. You will only receive a text from us if you've already been in contact. All automated messages will come from [email protected] . If you ever have doubts about the legitimacy of any communication from us, please do not hesitate to reach out for verification via [email protected] (this email is for general TA questions and is not used for updates on your application status). #BI-Remote ## Description We are seeking a highly experienced and strategic Senior Manager to lead our Network Security Engineering & Operations team. This role is responsible for ensuring the availability, reliability, and security of critical network infrastructure components including remote worker technologies, firewalls, load balancers, web application firewalls (WAFs), routers, switches, and wireless access points. This includes supporting network connectivity and network security to all sites, datacenters, and cloud providers. The ideal candidate will bring deep technical expertise, strong leadership skills, and a proactive approach to managing 24/7 operational support and escalations., Leadership & Strategy * Lead and mentor a team of network security engineers, ensuring a team culture aligned to CISO Org behavioral goals and DFIN values. * Lead network security projects, including strategy, requirements gathering, and definition of scope and project timelines as a Product Owner. * Collaborate with cross-functional teams to align network security initiatives with business objectives, balancing internally and externally driven work requests. * Maintain relationships with partners and vendors including budget management and negotiations. * Foster a culture of continuous improvement through regular coaching, mentoring, and performance check-ins; ensure appropriate skills are gained and maintained. * Promote accountability and recognize high performance while addressing areas for improvement with clear action plans. * Exceptional communication and interpersonal skills, including negotiation, facilitation, and consensus building; ability to influence and persuade without direct authority. * Ability to communicate complex and technical issues to diverse audiences, orally and in writing, in an easily understood, authoritative, and actionable manner. Responsibilities Continued Engineering & Operations * Oversee the design, implementation, and maintenance of network security technologies including firewalls, WAFs, load balancers, routers, switches, remote access, and wireless access points. * Ensure high availability and performance of network and network security services through proactive monitoring and capacity planning. * Manage lifecycle of network security systems and services including upgrades, patching, and end-of-life transitions. * Develop and maintain appropriate metrics to monitor the health of network and network security services, as well as team responsiveness and delivery. Incident Management & Escalation * Serve as primary escalation point for critical network and network security incidents, including 24/7 support for critical outages. * Lead root cause analysis and resolution efforts for outages or incidents. * Maintain and improve incident response processes and documentation. Compliance & Risk Management * Ensure network security infrastructure complies with internal policies and client obligations. * Conduct regular audits and assessments to identify and mitigate risks. * Support vulnerability management and remediation efforts. 24/7 Availability * Maintain readiness for 24/7 support and escalation, including participation in on-call rotations as needed. * Implement automation and redundancy to reduce manual intervention and improve resilience., Leads enterprise network security architecture, engineering, and modernization across cloud and on-premises environments. Designs firewalls, WAF, DDoS protection, Azure connectivity, microsegmentation, Zero Trust, SASE, and SD-WAN solutions. Serves as a Level 3 incident escalation point, drives root-cause analysis and resilience improvements, establishes automation and DevSecOps standards, and mentors engineers. Partners with stakeholders and vendors to deliver secure, scalable network security platforms. Top Skills: Api SecurityAzureCi/CdDdos ProtectionEnterprise FirewallsInfrastructure As CodeLan/WanLoad BalancingMicrosegmentationNetwork Detection And Response (Ndr)PowershellPythonSaaSSaseSd-WanSIEMSseWeb Application Firewall (Waf)Zero Trust DFIN Solutions Engineer 5 Days Ago Remote or Hybrid United States Senior level Senior level Fintech * Software Partners with sales teams to position Venue Virtual Data Room solutions during complex enterprise sales cycles. Leads discovery sessions, designs recommendations, delivers demonstrations and executive presentations, supports RFPs, security questionnaires, proofs of concept, and pilots, and translates technical capabilities into business value. Builds relationships with legal, finance, corporate development, and executive stakeholders while collaborating with implementation, customer success, product, and engineering teams. Top Skills: AnsaradaCybersecurityDatasiteDealroomFirmroomInformation GovernanceIntralinksSaaSSalesforceVenue Virtual Data Room DFIN