812099 Systems Engineer $200,000.00

B4Corp; Herndon (VA); On-site; USD 212,000 - 259,000; Full time

Benefits offered by this job

PTO 7 weeks

401k plan

Phantom stock

Medical insurance

Dental insurance

Vision insurance

Life insurance

Disability insurance

Referral bonus

Job summary

B4Corp is seeking a Senior Systems Engineer specializing in Cisco Voice and UC for a government customer in Herndon, VA. The role focuses on design, deployment, security, and sustainment of enterprise Cisco UC solutions in a highly secure environment.

Requirements include TS/SCI with polygraph, 6+ years Voice/UC experience, and a strong background across CUCM, UCCX/UCCE, SRTP, SIP, and PKI management. Collaboration with multiple teams is essential.

Qualifications

• Bachelor’s or Master’s degree in Computer Science, IT, Engineering, or related field
• Minimum of six (6) years of relevant Voice/UC engineering experience
• Experience with Cisco Voice and UC systems in enterprise environments

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

Skills

SIP signaling

SRTP

SIP

MGCP

H.323

TCP/IP

MPLS

DNS

DHCP

RTP handling

Call routing

Security accreditation

Education

Bachelor’s or Master’s degree in Computer Science, IT, Engineering, or related field

Tools

CUCM

Unity Connection

IM&P

UCCX

UCCE

Job description

Labor Category: Systems Engineer
Position Title: Systems Engineer
Position Level: Level 3 – Senior
Salary: Up to $235,000.00 per year
Core Hours: 9am to 4pm
Location: Herndon VA

Description:

Position Requires a Top Secret (TS/SCI) Clearance with a Polygraph.

We are seeking an experienced Cisco Voice Engineer 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.

Details:

Labor Category: Systems Engineer
Position Title: Systems Engineer
Position Level: Level 3 – Senior
Salary: Up to $235,000.00 per year
Core Hours: 9am to 4pm
Location: Herndon VA

Mandatory Requirements:

• Developmental (0-2 years’ experience)
• Full Performance (3-5 years’ experience)
• Senior (6-10 years’ experience)
• Expert (11-15 years’ experience)
• SME (16+ years’ experience)

Bachelor’s or Master’s degree in Computer Science, IT, Engineering, or related field

Minimum of six (6) years of relevant Voice/UC engineering experience

Strong technical expertise 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

Experience supporting secure, enterprise‑scale voice environments

Ability to troubleshoot complex call routing, signaling, and interoperability issues

Strong communication skills for documentation, requirements analysis, and customer interaction

Optional Requirements:

Advanced expertise in SIP signaling, call flows, and multi‑vendor integration

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)

B4CORP Company Information

B4Corp is a small defense contracting company that focuses on providing an optimum environment for mission‑focused, highly skilled consultants to support the United States of America’s intelligence community and other defense organizations. B4Corp provides a low overhead, highly efficient, high salary environment that allows employees to excel at meeting the client’s needs. B4Corp is looking for information technology professionals that have a high sense of personal responsibility, self‑motivation, and mission drive.

B4Corp’s dedication and care for its employees is reflected in our outstanding compensation and benefits package. B4Corp’s benefits reflect the company’s policy of putting the employees first. B4Corp’s maximum flexibility comp / makeup time policy, along with the company’s cafeteria‑style benefit plan that allows employees to maximize their Benefit Dollars, reflects B4Corp’s commitment to its employees.

Compensation:

• Outstanding Salaries

Retirement:

• Full Vanguard 401k Plan – Featuring a full scope of investment options
  – 100% employer matched contribution up to 6% of employee’s salary
  – Ability to max out 401k savings $57k ($63.5k if over 50)
• Employees receive B4Corp phantom stock each year (2‑year vesting period)

Insurance:

• Medical – United Health Care (UHC) (multiple plan options)
• Dental – United Concordia (UC) Flex Plan
• Vision – Vision Service Plan Insurance Co (VSP) Signature Plans
• Mutual of Omaha short‑term disability (60% of salary up to $2,000.00/week)
• Mutual of Omaha long‑term disability (60% of salary up to $10,000.00/month)
• Mutual of Omaha life insurance ($200,000.00)

Employee Referral Bonus:

• Refer a friend or a coworker and receive $3,000 per year for every year the person works for B4CORP

Paid Time Off (PTO):

• Seven weeks of leave per year (including ten federal holidays)
• Flexible work schedule with comp time (with customer approval)

Internal Tracking -BC-0040-10

B4Corp is an EEO and e-Verify employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, sexual orientation or national origin. Please take the time to review and complete these three voluntary identification forms if you choose to do so and email them to [e-mail].