OneMain Financial · 2 days ago
Network Security Manager
Evansville, IN
Full-time
Onsite
Senior Level
5+ years expOneMain Financial is the leader in offering nonprime customers responsible access to credit and is dedicated to improving the financial well-being of hardworking Americans. They are seeking a Network Security Manager to lead a team responsible for safeguarding the organization’s network and cloud environments, manage daily operations, and ensure the secure delivery of network-security functions.
CreditFinanceFinancial ServicesInsuranceWealth Management
Responsibilities
Manage, mentor, and develop a team of Network Security Engineers and contractors, fostering professional growth and technical depth
Delegate daily operational tasks, project work, and service requests based on skillset and priority
Conduct performance evaluations, provide coaching, and support career development plans
Establish team workflows, documentation standards, and operational best practices
Build a culture of accountability, continuous improvement, and technical curiosity
Oversee daily operations of the network-security program, including firewall rule management, SASE policy administration, NAC enforcement, IPAM governance, and microsegmentation policies
Coordinate incident response for network–security–related events and collaborate with the Cybersecurity, Cloud, and Network Engineering teams
Review complex technical implementations for potential risk, impact, or unintended dependencies
Ensure changes follow enterprise change-management protocols and undergo proper risk evaluation
Maintain the reliable availability of core security platforms, monitor system health, and address operational issues
Support hands-on tasks during escalations, outages, or peak project workloads
Partner with architecture, cybersecurity, and infrastructure teams to align network-security strategy with enterprise objectives
Prioritize engineering tasks, projects, and backlog items in coordination with PMO or technology leadership
Participate in roadmap planning for network-security tooling, automation, and infrastructure modernization
Communicate project status, operational updates, and risks to leadership and stakeholders
Collaborate with cross-functional teams to evaluate new technologies and design secure network architectures
Provide subject-matter guidance on firewall architectures, cloud network-security controls, segmentation, packet-flow behavior, and secure network design principles
Oversee SASE configuration and policy lifecycle, ensuring visibility, compliance, and performance optimization
Manage IPAM governance, including address plans, DHCP/DNS standards, and lifecycle management
Oversee NAC platforms, authentication policies, device-profiling logic, and onboarding workflows
Ensure microsegmentation policies are aligned with application tiers, risk levels, and least-privilege strategies
Validate that security controls meet compliance, audit, and regulatory requirements
Promote automation opportunities and reduce manual operational overhead
Qualification
Required
Bachelor's degree in Information Technology, Computer Science, Cybersecurity, or related field; equivalent professional experience considered
5+ years in network or network-security engineering roles
1–3 years of technical leadership experience (team lead, senior engineer, or manager)
Experience managing or operating at least two of the following: firewalls, cloud security controls, SASE, microsegmentation, IPAM, NAC
Solid understanding of core networking concepts (routing, switching, TCP/IP, VPNs, DNS, DHCP)
Proficiency in network-security technologies, including firewalls (on-prem and cloud-native), SASE frameworks, NAC platforms, and microsegmentation
Familiarity with cloud architectures and their associated security controls (AWS/Azure)
Understanding of identity-centric security models and zero-trust architectures
Awareness of compliance frameworks and regulatory considerations (e.g., PCI-DSS, FFIEC, SOX)
Strong leadership and team-building capabilities
Effective verbal and written communication, including the ability to translate technical impacts for non-technical audiences
Strong analytical and problem-solving skills with attention to detail in risk analysis
Skilled prioritization and project coordination across multiple concurrent initiatives
Ability to lead incident response activities and drive root-cause analysis
Competence in reviewing and validating complex network-security changes
Skill in stakeholder communication, negotiation, and expectation management
Balance strategic vision with daily operational needs
Mentor engineers with diverse skill levels
Understand unfamiliar technologies and evaluate their impact
Collaborate with cross-functional teams and drive consensus
Stay calm and decisive during incidents or high-pressure scenarios
Uphold high standards of documentation, process discipline, and operational rigor
Preferred
Prior experience as a first-level people manager or technical team lead
Experience with automation tools (e.g., Ansible, Terraform), scripting, or infrastructure-as-code
Certifications such as CISSP, CCNP Security, PCNSE, or equivalent vendor credentials
Experience in regulated or high-security environments
Benefits
Health and wellbeing options including medical, prescription, dental, vision, hearing, accident, hospital indemnity, and life insurances
Up to 4% matching 401(k)
Employee Stock Purchase Plan (10% share discount)
Tuition reimbursement
Paid time off (15 days’ vacation per year, plus 2 personal days, prorated based on start date)
Paid sick leave as determined by state or local ordinance, prorated based on start date
Paid holidays (7 days per year, based on start date)
Paid volunteer time (3 days per year, prorated based on start date)
Company
OneMain Financial
OneMain Financial has been offering responsible and transparent loans for over 100 years.
10001+ employees
H1B Sponsorship
OneMain Financial has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2021 (1)
Funding
Current Stage
Public CompanyTotal Funding
$2.9B2025-03-13Post Ipo Debt· $600M
2024-11-04Post Ipo Debt· $900M
2018-01-04Post Ipo Secondary· $1.4B
Leadership Team
Doug Shulman
Chairman and Chief Executive Officer
Recent News
2025-11-08
2025-10-29
Company data provided by crunchbase