BAE Systems

Eng Sr Prin II - Sys

BAE Systems$120K — $150K *
Telecommunications & Hardware
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's or Master's degree in Computer Science, IT, Engineering, or related field.
  • Minimum of eight (8) years of progressive experience in Voice/UC engineering.
  • Expert-level proficiency in SIP signaling, Secure Real-Time Transport Protocol (SRTP), and TCP/IP networking.
  • Demonstrated experience leading enterprise-scale voice deployments and modernization efforts.
  • Strong communication skills for stakeholder engagement and technical leadership.

Responsibilities

  • Design, test, and deploy new Cisco Voice infrastructure solutions.
  • Implement next-generation voice system technologies and support engineering activities.
  • Participate in security accreditation for all voice systems.
  • Manage PKI/certificate requirements across Cisco UC components.
  • Perform system upgrades and lifecycle maintenance for hardware and software.
  • Design and deploy call center technologies, including user training.
  • Collaborate with customers and internal teams to gather and refine requirements.

Benefits

  • Health, dental, and vision insurance for regular employees working 20+ hours per week.
  • 401(k) savings plan with employer contributions.
  • Disability coverage and life insurance options.
  • Employee assistance programs and legal plan availability.
  • Paid time off, paid holidays, and various leave options including parental and military leave.
Full Job Description
Job Description

We are seeking experienced Cisco Voice Engineers to support a mission-critical, technology-driven program for a key Government customer. This role focuses on designing, deploying, securing, and sustaining enterprise-level Cisco Unified Communications solutions across a complex, highly secure environment.
Key Responsibilities:
  • Design, test, and deploy new Cisco Voice infrastructure (CUCM, Unity Connection, IM&P, UCCX).
  • Implement next-generation voice system technologies and support first-article engineering.
  • Participate in security accreditation activities for all voice systems.
  • Manage PKI/certificate requirements across Cisco UC components.
  • Perform system upgrades, patching, and lifecycle maintenance for hardware and software.
  • Provide engineering support for new site standups, including dial plan design and endpoint provisioning.
  • Design, test, and deploy call center technologies (UCCX/UCCE), including user training and transition planning.
  • Execute tasks related to call routing, SIP trunking, SRST, CUBE, and gateway configuration.
  • Collaborate with customers and internal teams to gather and refine system requirements.
  • Ensure compliance with enterprise standards, policies, and security procedures.
  • Work within a large-scale enterprise IT environment with responsibilities specific to Cisco Voice and Unified Communications.
  • Partner with network engineering and telecom teams on integration activities involving telephony, call center systems, and network infrastructure.
  • Support secure communications devices and infrastructure, including VoIP phones, STEs, Viper phones, encryption devices, POTs/ISDN/leased lines, conference bridges, and call management servers.


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Required Skills and Education

Required Education & Experience
  • Bachelor's or Master's degree in Computer Science, IT, Engineering, or related field and 11 overall years of experience
  • Minimum of eight (8) years of progressive experience in Voice/UC engineering
  • Expert-level proficiency in:
    • SIP signaling and call flows
    • Secure Real-Time Transport Protocol (SRTP)
    • SIP, MGCP, H.323
    • TCP/IP networking
    • MPLS transport environments
    • DNS and DHCP
    • RTP media handling
  • Demonstrated experience leading enterprise-scale voice deployments and modernization efforts
  • Proven ability to troubleshoot complex, multi-layered call routing and signaling issues
  • Strong communication skills for stakeholder engagement, documentation, and technical leadership


Preferred Skills and Education

Preferred Education, Experience, & Skills
  • Expertise in SIP signaling, call flows, and multi-vendor integration
  • Hands-on experience with H.323 in mixed-protocol environments
  • Cisco Certified Collaboration Professional (CCCP) or equivalent Cisco Collaboration certifications
    • CCNP Collaboration
    • CCIE Collaboration (highly desirable)
  • Avaya Communications Certification or experience supporting Avaya platforms in hybrid Cisco/Avaya environments
  • Experience with secure communications devices (VoIP endpoints, STEs, Viper phones, encryption devices)
  • Familiarity with government security accreditation processes and PKI/certificate management
  • Experience designing or supporting call center technologies (Cisco UCCX/UCCE or Avaya equivalent)
  • Prior experience in a DoD, IC, or other high-security environment


Benefits Information

Employee Benefits: At BAE Systems, we support our employees in all aspects of their life, including their health and financial well-being. Regular employees scheduled to work 20+ hours per week are offered: health, dental, and vision insurance; health savings accounts; a 401(k) savings plan; disability coverage; and life and accident insurance. We also have an employee assistance program, a legal plan, and other perks including discounts on things like home, auto, and pet insurance. Our leave programs include paid time off, paid holidays, as well as other types of leave, including paid parental, military, bereavement, and any applicable federal and state sick leave. Employees may participate in the company recognition program to receive monetary or non-monetary recognition awards. Other incentives may be available based on position level and/or job specifics.

Intern Benefits: Temporary employees generally are not eligible for BAE Systems benefits, but can elect to participate in the 401(k) savings plan. Temporary employees working 20+ hours per week are eligible for medical benefits, the employee assistance program, and business travel accident insurance.

Please note: Some benefits may be different for union employees that are governed by a collective bargaining agreement (CBA) or for positions covered by a wage law called the McNamara-O'Hara Service Contract Act (SCA).

About BAE Systems

BAE Systems plc is a British multinational arms, security, and aerospace company. It is among the world's largest defense contractors, with over 85,000 employees and operations in over 40 countries. BAE Systems is involved in the design, development, and manufacture of a wide range of products and services, including military aircraft, naval ships, and land vehicles. The company also provides a range of cybersecurity and intelligence services. BAE Systems has a long history, dating back to the 19th century, and has been involved in many major defense projects. Visit baesystems.com for more information.
Learn more about BAE Systems
Size
90,500 employees
Industry
Founded
1997
NASDAQ

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