Security Principal Engineer

Security Principal Engineer ConvergeOne life insurance, parental leave, long term disability, 401(k) United States, California, West Sacramento May 12, 2026 Security Principal Engineer Job Locations US-CA-West Sacramento Position Type Regular Full-Time Requisition

ID 2026-7347

Category Information Technology C1 Company Overview C1: 1 Contact, 1 Connection, 1 Choice C1 is the foremost, single-source provider of advanced communications and data technology for business. That means if it's digital, we connect our customers to it -- from phone systems and hardware to computer networks, application development, managed solutions and more. And we're 100% passionate with designing, implementing, managing and supporting our customers' every need from end to end, so that they can focus on what they do best. So, when it comes to joining a team of IT and communications technology pros who are empowered to do what they do best, your best choice -- your #1 choice -- is C1. Overview The Security Principal Engineer provides technical leadership, guidance and mentorship for a team of network engineers ranging in skill from junior to senior level. The position requires at a minimum 60% project based billable utilization and 40% team leadership. Responsibilities Deploys, migrates, and documents post-sales engagement with customers based on ConvergeOne best practices Assists in the delivery of support and services to customer's expectations as proposed Participates in the design, implementation and administration of Cisco infrastructure and related solutions Troubleshoots problems including: security-related issues (firewalls, IPS, understanding of common protocols in security like IPSec, SSL, TLS, HTTP(s), ftp, etc.,) routing and switching, protocol problems, and performance issues across a distributed segmented network infrastructure with multiple security zones Creates As Built Visio diagrams and technical write up for deployed solutions Assists and mentors team in developing specific network, security and wireless solutions; and detailed implementation plans Provides team mentorship, guidance and support; Provide technical guidance to the team based on management direction Facilitates and conducts product demonstrations, webinars and presentations to customers Serves as a focal point to communicate and resolve integration issues with Sales Engineers Assists the sales team with pre-sales and post-sales opportunities Qualifications Must have extensive knowledge of high performance data center solutions, network infrastructure LAN/WAN, network security, and enterprise wireless infrastructures Expert knowledge of Cisco Routers (ISR GEN1/2), Switches (including NEXUS and Catalyst Line), Security Appliance is a must (FTD, ASA, ISE, IPS, Prime

MARS, NAC

) Strong knowledge of VPN IPSec/SSL solutions and hands-on deployment experience Strong knowledge of AMP for endpoints, Umbrella, Stealthwatch, Firepower and hands-on enterprise deployment experience In-depth knowledge of Cisco IOS, NXOS and other technical configurations Experience with monitoring, alerting and management tools such as: Ethereal, Solarwinds, Orion Network Monitor, hp OpenView Hands on experience with wired/wireless ISE deployments, ASA, Firepower, AMP, Prime Infrastructure, Security posture assessment, and Security Policy generation Nexus experience: 9K, 7K, 5K, 2K, 1K Extensive troubleshooting experience on Tier4 issues such as Cisco TAC Strong customer facing skills with ability to work on latest cisco technologies Collaborate with Cisco SE's and internal teams to design solutions and improve them based on field results Ability to work under extreme pressure and available on weekends Ability to travel 10%-30% of the time Preferred Cisco Certified Systems Engineer (CCIE) or demonstrated depth of knowledge and experience Desired/Preferred Qualifications Cisco Certified Systems Engineer (CCIE) Security Cisco Certified Security Professional (CCSP) Additional Information

C1 BENEFITS

• 401(k) Plan (35% employer match per dollar up to 10% employee contribution)
• Medical Coverage (3 platforms: UnitedHealthcare, Reference Based Pricing includes member advocacy; and Kaiser)
• RX Home Delivery
• HSA with Employer Contribution
• In-vitro Fertility (treatment coverage)
• Dental
• Vision (2 plans: 12-month and 24-month frames allowance)
• FSA Plans (Healthcare, Dependent Care and Limited Purpose)
• Pre-tax Commuter Plans
• Employer-paid Life Insurance
• Employer-paid Short + Term Disability
• Long Term Disability (2 plans: Employer-paid or optional Self-paid)
• Paid Parental Leave (4 weeks at 100%)
• Employee Assistance Plan
• Voluntary Life Insurance for team member, spouse and child
• Voluntary Accidental Death for team member and spouse
• Legal/ID Theft Plans
• TeleHealth
• Wellness via Omada Health (healthy living solution)
• Travel Assistance
• Business Travel Accident Coverage
• Medical for foreign travel coverage
• Employer-paid Pet Telehealth
• Accident Insurance
• Critical Illness Insurance
• Hospital Indemnity Insurance
• Volunteer Time Off
• 10 Holidays
• Summer Sizzle
• On Demand Pay (Daily Pay) Work Environment Ability to handle multiple priorities and demands in a fast-paced environment.

This job operates in a professional office environment. This role routinely uses standard office equipment such as computers, phones, photocopiers, and filing cabinets. Physical Environment Physical demands described here are representative of those that must be met by a team member to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions of this job. Other Duties/Changes This job description is not designed to cover or contain a comprehensive listing of all duties, responsibilities or activities that are required of a team member for this job. Duties, responsibilities and activities may change at any time with or without notice. At any point in time, the essential functions and primary duties associated with this position will be the principal, major or most important duties, responsibilities and activities that the employee is expected to perform as determined and directed by C1. EEO Statement C1 provides equal employment opportunities (EEO) to all team members and applicants for employment opportunities. All qualified applicants will receive consideration for employment, and all team members will be treated with respect to their employment, without regard to race, color, religion, gender, national origin, age, sexual orientation, gender identity, disability or veteran status. For further details, please view the EEO Policy Statement (EEO Policy Statement) and/or the current version of the workplace poster (https://www.eeoc.gov/sites/default/files/2023-06/22-088_EEOC_KnowYourRights6.12ScreenRdr.pdf; https://www.eeoc.gov/poster) Pay Range $150,000 - $200,000 Base pay ranges are estimated. Actual base pay will be based on education, experience, location, certifications, skill set, and any other relevant factors. Incentive/variable pay opportunities are in addition to base pay.

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