Unified Communications Engineer (Active TS/SCI)

TEKsystems; Washington (District of Columbia); On-site; USD 190,000 - 220,000; Full time

Benefits offered by this job

Health & Wellness

Retirement & Profit Sharing

Career Growth

Paid time off

Job summary

TEKsystems seeks an onsite Cisco Call Manager Engineer in Washington, DC, to design, implement and optimize Cisco Unified Communications environments. The role requires monitoring, upgrading and supporting VoIP, video and mobility services while coordinating with IT staff and vendors.

Expect to work with Cisco UC products, maintain IP telephony systems, and resolve issues swiftly. An active TS/SCI clearance and extensive on-site availability in DC are essential for success in this position.

Qualifications

• Experience with Cisco Unified Communications Manager and VoIP systems.
• Active TS/SCI security clearance required.
• Onsite role based in Washington, DC.

Responsibilities

• Network Design and Implementation: design LAN/WAN and VoIP architectures.
• Deployment and Troubleshooting: implement and optimize IP telephony and mobility solutions.
• Software Upgrades: lead Cisco Unified Communications software upgrades.
• Technical Assistance: support network staff on Cisco software, IP phones, and voicemail.
• Coordination: align with IT staff and vendors to ensure smooth operations.
• Session Management: plan and execute session management strategies.
• Remote Monitoring: monitor enterprise IPT environments remotely.
• Customer Support: provide end-user support in Cisco VoIP/UCCE environments.

Skills

Voip

ts/sci

unified communications

cisco call manager

Job description

Description

A Cisco Call Manager Engineer, also known as a Cisco Unified Communications Manager Engineer, is responsible for designing, developing, and implementing network and telecommunications infrastructure according to the needs of their organization. The engineer monitors the organization's networks and connections, playing an active role in the installation of the Cisco network operating system software. They evaluate, configure, and maintain network hardware and software, utilizing Cisco's proprietary SCCP protocol. This is an onsite role located in Washington DC

Key Responsibilities

• Network Design and Implementation: Develop and implement the physical design and architecture of computer networks, including LANs, WANs, and VoIP.
• Deployment and Troubleshooting: Deploy, troubleshoot, monitor, and optimize IP telephony, voice, video, and mobility solutions.
• Software Upgrades: Assist and lead the design and implementation of Cisco Unified Communication products, including software upgrades on existing Cisco voice deployments.
• Technical Assistance: Provide technical assistance to Network Analysts and Network Professionals, identifying and resolving issues related to Cisco software, IP phones, and voicemail.
• Coordination: Coordinate with various IT staff, business partners, internal clients, and vendors to ensure smooth network operations.
• Session Management: Identify, plan, and execute session management strategies to increase efficiency.
• Remote Monitoring: Experience in remote monitoring and management of enterprise IPT environments is an added advantage.
• Customer Support: Provide end-user support in Cisco VoIP/UCCE environments, resolving customer issues and handling internal escalations independently.

Skills

Voip, ts/sci, unified communications, cisco call manager, Uc, Cisco voice, Cisco voip, cucm

Top Skills Details

Voip,ts/sci,unified communications,cisco call manager

Additional Skills & Qualifications

• 5+ years' experience in monitoring and administering Cisco Telecommunication systems.
• Must have an active TS/SCI security clearance.
• Able to work fully onsite at Washington DC, Satellite Beach, FL, or Seal Beach CA.
• Ability to create, analyze, and troubleshoot call flows and call detail records.
• Capability to design and deploy solutions for multi-site environments using Cisco technologies.
• Strong problem-solving skills and quick resolution of customer issues.

Experience Level

Expert Level

Job Type & Location

This is a Permanent position based out of Washington, D.C..

Pay and Benefits

The pay range for this position is $190000.00 - $220000.00/yr.

• Health & Wellness: Medical, Dental, Vision, Life Insurance, Disability, FSA.
• Financial: 401(k) with company match, profit sharing, deferred compensation, financial planning.
• Career Growth: Professional development, tuition reimbursement, career opportunities.
• Work-Life: Paid time off.

Workplace Type

This is a fully onsite position in Washington,D.C..

Application Deadline

This position is anticipated to close on Aug 20, 2026.

About TEKsystems

We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.

Equal Opportunity Statement

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

About TEKsystems and TEKsystems Global Services

We're a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We're a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe, Asia, who partner with us for our scale, full-stack capabilities and speed. We're strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We're building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.

Equal Opportunity Statement 2

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

San Francisco Fair Chance Ordinance

Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector

It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI)

We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.