Sr. Network Engineer III
Washington dc, DC
Category: Engineer
Industry: Government
Reference ID: JN -032026-105836
Date Posted: 04/07/2026
Shortcut: http://careers.eliassen.com/K854kd
Description:
Onsite in Washington, DC
Our client seeks a Sr. Network Engineer III to serve as a subject matter expert for unified communications across voice, video, and collaboration platforms in a mission-critical environment. The role requires deep hands-on expertise with enterprise UC, proactive problem solving, and clear communication with technical and non-technical stakeholders. You will design, implement, and troubleshoot complex UC solutions while supporting high-visibility, security-sensitive operations. You will contribute immediately within a collaborative, high-performing team.
This is a full-time, permanent opportunity, offering a competitive salary and comprehensive benefits package. Qualified applicants must be willing and able to work on a w2 basis.
Salary: $230,000 - $290,000/ yr. w2
Responsibilities:
- Work as part of a collaborative, high-performing team delivering technical solutions supporting the highest levels of the federal government.
- Design, implement, and troubleshoot enterprise voice, video, and collaboration platforms.
- Configure and support SBCs, voice gateways, dial plans, and QoS to ensure high-quality real-time voice and video traffic.
- Serve as a technical subject matter expert able to support operational issues with minimal ramp-up time.
- Participate in Agile execution and contribute to collaborative problem-solving efforts.
- Communicate technical issues, risks, and solutions clearly to both technical and non-technical stakeholders.
- Proactively recommend technical improvements and architectural enhancements.
- Contribute to team discussions, planning, and continuous improvement initiatives.
- Support mission operations with urgency, accountability, and a strong sense of ownership.
- Demonstrate the ability to contribute immediately in a fast-paced, mission-critical environment.
- Establish and maintain a high level of customer trust and confidence through technical expertise and professionalism.
Experience Requirements:
- Active Top Secret with SCI eligibility security clearance.
- Possess DoD 8140 certification aligned to the 441 Network Operations Specialist work role such as Network+, Security+, Cloud+, SSCP, CASP+, CISSP, or CCNP Security.
- 10+ years of experience reviewing, designing, and implementing network engineering solutions with deep hands-on expertise supporting enterprise unified communications environments.
- Expertise designing, implementing, and troubleshooting Cisco Unified Communications Manager, Webex, and Microsoft Teams.
- Hands-on experience with session border controllers, voice gateways, call routing, and QoS for real-time traffic.
- Hands-on experience with VQ Conference Manager, Jabber, Cisco telephony endpoints, and Cisco Expressway.
- Proven ability to troubleshoot and resolve operational voice and video issues in mission-critical environments with minimal ramp-up.
- Ability to contribute immediately in a mission-critical operational environment.
Education Requirements:
- Bachelor’s degree in a technical field preferred or equivalent relevant experience.
- DoD 8140-aligned certifications such as Network+, Security+, Cloud+, SSCP, CASP+, CISSP, or CCNP Security.
Skills, experience, and other compensable factors will be considered when determining pay rate. The pay range provided in this posting reflects a W2 hourly rate; other employment options may be available that may result in pay outside of the provided range.
W2 employees of Eliassen Group who are regularly scheduled to work 30 or more hours per week are eligible for the following benefits: medical (choice of 3 plans), dental, vision, pre-tax accounts, other voluntary benefits including life and disability insurance, 401(k) with match, and sick time if required by law in the worked-in state/locality.
If anyone reaches out to you about an open position connected with Eliassen Group, please ensure that you are working directly with us by confirming the following:
· When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.
· Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group.
If you have any indication of fraudulent activity, please contact fraud@eliassen.com.
-
Sr. Network Engineer III
Washington dc, DC
Description: Onsite in Washington, DC The Sr. Network Engineer III will serve as a subject matter expert for unified communications across voice, video, and collaboration platforms in a fast-paced, mission-critical environment. The role will design, im...
Date Posted: 04/08/2026 Recommended
-
Sr. Telecommunications Design Engineer III
Washington dc, DC
Description: Onsite in Washington dc, DC Our client seeks a Sr. Telecommunications Design Engineer III to provide senior technical leadership for mission-critical telecommunications operations and long-range modernization. The role will design and sust...
Date Posted: 04/12/2026 Recommended
-
Sr. Cellular / RF Engineer II
Washington dc, DC
Description: Onsite in Washington, DC The organization seeks a Sr. Cellular / RF Engineer II to design and optimize secure wireless connectivity for mission-critical federal environments. The role focuses on RF and cellular engineering, including site ...
Date Posted: 04/07/2026 Recommended
-
Security Administrator
Cincinnati, OH
Description: Hybrid 4 days week onsite, then 3 days onsite/2 remote in Cincinnati, OH We are hiring a Security Administrator for our client, a leading plumbing, sewer, and water damage company headquartered in Cincinnati, Ohio. The role will secure ent...
Date Posted: 04/04/2026 Recommended
-
Sr. Software Developer III
Washington dc, DC
Description: Onsite in Washington, DC The organization seeks a Sr. Software Developer III to design, build, and deliver secure, reliable enterprise software for a mission-critical federal environment. The role requires deep expertise in C#, .NET, and m...
Date Posted: 03/16/2026 Recommended
-
Sr. Senior Platform Engineer III
Washington dc, DC
Description: Onsite in Washington dc, DC Our client seeks a Sr. Senior Platform Engineer III to design and operate Kubernetes platforms for mission-critical federal workloads. The role spans CI/CD, infrastructure automation, and platform reliability, p...
Date Posted: 04/12/2026 Recommended
-
Sr. Software Developer II
Washington dc, DC
Description: Onsite in Washington dc, DC The organization seeks a Sr. Software Developer II to deliver secure and reliable software for mission-critical federal systems. The role focuses on building and modernizing enterprise applications using C#, .NE...
Date Posted: 03/16/2026 Recommended
-
Sr. Systems Engineer
Washington dc, DC
Description: Onsite in Washington, DC our client seeks a Sr. Systems Engineer to manage and secure enterprise Windows and macOS endpoints for a high-visibility federal mission. The role will support classified and high-security environments, deliver co...
Date Posted: 04/05/2026 Recommended
-
Sr. Electrical Power Engineer II
Washington dc, DC
Description: Onsite in Washington, DC Our client seeks a Sr. Electrical Power Engineer II to lead the design, evaluation, and sustainment of electrical power systems for mission-critical telecommunications infrastructure. The role emphasizes reliabilit...
Date Posted: 04/12/2026 Recommended
-
Systems Engineer
San Diego, CA
Description: Onsite in San Diego, CA The organization seeks a Systems Engineer to support a Navy Key Management project portfolio in San Diego. The role will cover system architecture and design, requirements and data flow analysis, integration, networ...
Date Posted: 03/20/2026 Recommended
-
Cybersecurity Architect (Palo Alto / Network Security)
Tustin, CA
Description: Onsite in Tustin, CA The Cybersecurity Architect will provide senior technical leadership to design and implement enterprise security architecture for the organization. The role focuses on Palo Alto Networks platforms, VPN, wireless securi...
Date Posted: 03/17/2026 Recommended
-
Physical Security Systems Engineer
Austin, TX
Description: Hybrid Monday - Thursday in either Austin, TX or Salt Lake City, UT or Dublin, IE The organization seeks a Physical Security Systems Engineer to support and optimize enterprise physical security technologies. The role will administer acces...
Date Posted: 03/26/2026 Recommended
-
Information System Security Officer / Information System Engineer
Aberdeen Proving Ground, MD
Description: Onsite in Aberdeen Proving Ground, MD Our client seeks an Information System Security Officer / Information System Engineer to guide Cybersecurity policy, RMF processing, and accreditation activities. The role will manage eMASS record keep...
Date Posted: 04/12/2026 Recommended
-
Senior CyberArk Engineer
Anywhere
Description: Remote Our client seeks a Senior CyberArk Engineer to support the Department of Transportation’s privileged access management program. The role will contribute to deployment, maintenance, and reporting of CyberArk across development, test,...
Date Posted: 03/29/2026 Recommended
-
FedRAMP & AWS GovCloud Program Lead
Anywhere
Description: Remote Our client seeks a senior FedRAMP and AWS GovCloud leader to advise telecommunications and regulated clients on modernization, migration, and authorization. The role owns strategy, roadmap, and oversight to move legacy workloads to ...
Date Posted: 03/30/2026 Recommended
-
Sr. Front End Developer II
Washington dc, DC
Description: Onsite in Washington, DC The organization seeks a Sr. Front End Developer II to lead UI and UX modernization for mission-critical federal applications. The role focuses on secure, high-performance front-end development using Angular or Rea...
Date Posted: 03/16/2026 Recommended
-
Senior Data Engineer
Cincinnati, OH
Description: Onsite in Cincinnati, OH The Senior Data Engineer will design and deliver scalable data solutions that enable secure data management, analytics, and business intelligence for the organization. The role requires proficiency with SQL, a mode...
Date Posted: 03/24/2026 Recommended
-
IT Infrastructure Engineer/Administrator
Boston, MA
Description: Onsite in Boston, MA Seaport Area of Boston, 5 days a week onsite for the first few months, flexible for 3-4 days onsite after that. Interview: virtual, then onsite. Contract to hire role. Our client seeks a senior IT Infrastructure Engine...
Date Posted: 04/11/2026 Recommended
-
Office 365 / Power Platform Engineer
Anywhere
Description: Remote The organization seeks an Office 365 / Power Platform Engineer to design and integrate API-driven automation on Microsoft Power Platform. The role requires hands-on JavaScript or TypeScript API development, RESTful integrations, and...
Date Posted: 04/08/2026 Recommended
-
Service Desk/PowerUp Technician
Wilmington, DE
Description: Onsite in Wilmington, DE Our client seeks a PowerUp Technician to provide walk-up technical support for internal associates in a high-traffic campus environment. The role focuses on laptops, with an even mix of Windows and macOS, plus mobi...
Date Posted: 04/06/2026 Recommended
-
AI / ML Engineer
Irvine, CA
Description: Hybrid in Irvine, CA (2-3 days onsite per week) The organization seeks an AI / ML Engineer to support implementation of priority AI use cases alongside principal AI engineers and semiconductor stakeholders. The role requires proficiency in...
Date Posted: 04/02/2026 Recommended
-
IT Systems Technician
Camp Lejeune, NC
Description: Onsite in Camp Lejeune, NC The organization seeks an IT Systems Technician to install, configure, and maintain servers, network devices, and workstations across stand-alone and client-server environments. The role will integrate multiple i...
Date Posted: 03/23/2026 Recommended
-
Full Stack Engineer
Merrimack, NH
Description: Hybrid Onsite 5 days/week, alternating weeks in Merrimack, NH Our client operates within wealth solutions and seeks a Full Stack Engineer to deliver secure, scalable web applications. The environment is agile and collaborative, with a focu...
Date Posted: 03/24/2026 Recommended
-
Business Analyst II
Cincinnati, OH
Description: Onsite in Cincinnati, OH The organization seeks a Business Analyst to elicit and translate business requirements into functional designs while partnering closely with technical teams. The role will conduct testing with clear acceptance cri...
Date Posted: 03/18/2026 Recommended
-
Server Administrator
Anaheim, CA
Description: Onsite in Anaheim, CA Our client seeks a Server Administrator to ensure stability, security, and resilience across Linux and Windows Server platforms supporting internet and intranet services. The role will design and operate enterprise ba...
Date Posted: 03/31/2026 Recommended
-
System Integration and Test Engineer
Gaithersburg, MD
Description: Location: Gaithersburg, MD (Onsite with 25% travel) Duration: Long-term contract (5 years) Clearance: Must be eligible for Public Trust (U.S. Citizen) Due to federal security clearance requirements, applicant must be a United States Citize...
Date Posted: 04/01/2026 Recommended
-
Technical Lead
Burbank, CA
Description: Onsite in Burbank, CA Our client seeks a Technical Lead to drive innovation across cinematic pipelines and theatrical experiences within a studio lab environment. The role requires strong AI expertise, hands-on prototyping, and the ability...
Date Posted: 04/11/2026 Recommended
-
Java Developer
Westlake, TX
Description: Hybrid Onsite Every Other Week in Westlake, TX Our client is seeking a Java developer to build and enhance applications within the Accounts and Customer Experience area. The role covers full-stack development across on-prem and cloud platf...
Date Posted: 04/10/2026 Recommended
-
Senior Telecom Engineer
Boston, MA
Description: Hybrid 4 days onsite in either Boston, MA or Woodbridge, NJ The organization is modernizing its telephony stack and requires a Senior Telecom Engineer to lead the evolution to a resilient, cloud-enabled collaboration ecosystem. The role sp...
Date Posted: 03/22/2026 Recommended
-
Data Engineer
Merrimack, NH
Description: Hybrid two weeks onsite a month in either Merrimack, NH or Durham, NC We are seeking a Senior Data Engineer to build scalable data solutions within a highly collaborative technology team. The role focuses on Oracle PL/SQL, SQL scripting, E...
Date Posted: 03/30/2026 Recommended
Eliassen Group is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status. Eliassen Group’s Affirmative Action Plan (AAP) is available for inspection by any employee or applicant for employment upon request, during normal business hours of Monday through Friday, 8:30am to 5:30pm EST. Interested persons should contact Phaedra Wells at pwells@eliassen.com for assistance. It is unlawful in Massachusetts and Maryland 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.
Applicants with disabilities that believe they require an accommodation or assistance with a position, please email our HR team at hradmin@eliassen.com. This email inbox is designed exclusively to assist job seekers whose disability prevents them from being able to apply online. Emails sent for other purposes will not receive a response.
Please be advised that a number of fraudulent job postings have been released under the Eliassen Group brand.
Unfortunately, fraudulent job postings can happen. If anyone reaches out to you about an open position connected with Eliassen Group, never provide personal or financial information to anyone who is not clearly associated with Eliassen Group
If anyone seemingly from Eliassen Group has ever requested this personal information in the past or does so in the future, please contactInfoSec@eliassen.com.
Please ensure that you are working directly with us by confirming the following:
- When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.
- Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group, as indicated above