Senior Cyber Call Manager Engineer (Onsite)

Date Posted: 2026-09-11 Country: United States of America Location: US-FL-LARGO-382SS ~ 7887 Bryan Dairy Rd. ~ BLDG 100 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance​ Security Clearance Type: TS/SCI - Current Security Clearance Status: Active and existing security clearance required on day 1 Raytheon Company, Managed By Collins Aerospace. Collins Aerospace, an RTX company, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospace has the capabilities, comprehensive portfolio, and expertise to solve customers’ toughest challenges and to meet the demands of a rapidly evolving global market.  Collins Aerospace is seeking a Senior Cyber Call Manager Engineer for a position in Largo, Florida. Sign On Bonus Eligible What You Will Do ​ Configure, administer, and maintain Cisco Unified Communications Manager (CUCM) clusters supporting enterprise and classified environments. Manage and maintain Cisco Unity Connection voicemail systems, including user provisioning, call handlers, automated attendants, and voicemail integrations. Configure and support dial plans, route patterns, route groups, route lists, SIP trunks, device pools, partitions, and calling search spaces. Administer and troubleshoot voice gateways, session border controllers, and VoIP infrastructure. Provide Tier III technical support, troubleshooting complex voice, call routing, registration, signaling, and voice quality issues. Design, implement, and maintain hunt pilots, hunt lists, line groups, call queuing, and call coverage solutions to optimize call distribution and operational workflows. Configure, manage, and support Meet-Me conferencing services, conference bridge resources, and collaboration platforms. Plan, coordinate, and execute CUCM and Unity Connection upgrades, patches, and lifecycle management activities. Develop upgrade runbooks, rollback procedures, testing plans, and maintenance schedules to ensure successful system implementations. Deploy, configure, and integrate UniFi FX solutions within enterprise communications environment. Support migration planning, testing, validation, and production cutover activities for voice and collaboration modernization initiatives. Implement and maintain DISA Security Technical Implementation Guide (STIG) compliance for Cisco Unified Communications platforms and associated virtual appliances. Perform vulnerability remediation, security hardening, compliance validation, and support cybersecurity audits, inspections, and accreditation activities. Maintain secure communications environments in accordance with DoD, organizational, and cybersecurity requirements. Develop and maintain engineering diagrams, configuration standards, operational procedures, disaster recovery plans, and technical documentation. Create, document, and defend system change requests while ensuring configuration management compliance. Conduct root cause analysis, incident response activities, and corrective actions to improve system reliability and performance. Collaborate with cybersecurity, network, infrastructure, and business stakeholders to implement and support enterprise communication services. Gather, analyze, and report system performance metrics to support operational readiness, capacity planning, and continuous improvement initiatives. Provide technical guidance and mentorship to junior engineers and support personnel. Contribute to strategic modernization efforts and the design, architecture, and enhancement of enterprise voice and collaboration platforms. Qualifications You Must Have  A strong understanding and knowledge of computer, network, and security systems. Good interpersonal and communication skills. Strong analytical, critical thinking, and problem-solving skills. Ability to work well independently under limited oversight, be self-directed and able to prioritize work. Active and transferable Top Secret U.S. government issued security clearance with SCI eligibility is required prior to start date. Must be able to attain and maintain a DoD 8570 IAT Level II certification (Security+ or CISSP preferred). Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience. Qualifications We Prefer ​ Experience with Juniper SRX, EX series routers and switches. Experience deploying security solutions for DoD networks. Experience with multi-platforms like Windows, UNIX, LINUX Understanding of network engineering fundamentals, including: OSI layers, IP addressing, sub-netting, TCP/IP stack, VLANs, DHCP, etc. Willingness to learn new technologies and applications as required. What We Offer ​ Medical, dental, and vision insurance.  ​ Three weeks of vacation for newly hired employees.  ​ Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option.  ​ Tuition reimbursement program. ​ Student Loan Repayment Program.  ​ Life insurance and disability coverage.  ​ Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection. ​ Birth, adoption, parental leave benefits. ​ Ovia Health, fertility, and family planning.  ​ Adoption Assistance.           ​ Autism Benefit.  ​ Employee Assistance Plan, including up to 10 free counseling sessions.  ​ Healthy You Incentives, wellness rewards program. ​ Doctor on Demand, virtual doctor visits.  ​ Bright Horizons, child and elder care services. ​ Tel