MANTECH seeks a motivated, career and customer-oriented Senior Telecommunications Engineering Specialist, Unified Communications to join our CASTLE-NET Program team. This is a remote position . Be a ...

60 Mantech Telecommunications Jobs Hiring Near You
MANTECH seeks a motivated, career and customer-oriented Senior Telecommunications Engineering Specialist, Unified Communications to join our CASTLE-NET Program team. This is a remote position . Be a ...
Phone Technician
Chantilly, VA · On-site
$97K - $161K/yr
MANTECH seeks a motivated, career and customer-oriented Phone Technician to join our team in ... of telecommunications systems, including VoIP and legacy phone systems, ensuring high-quality ...
Phone Technician
Chantilly, VA · On-site
$97K - $161K/yr
MANTECH seeks a motivated, career and customer-oriented Phone Technician to join our team in ... of telecommunications systems, including VoIP and legacy phone systems, ensuring high-quality ...
Phone Technician
$75K - $125K/yr
MANTECH seeks a motivated, career and customer-oriented Phone Technician to join our team in McLean ... of telecommunications systems, including VoIP and legacy phone systems, ensuring high-quality ...
Phone Technician
$75K - $125K/yr
MANTECH seeks a motivated, career and customer-oriented Phone Technician to join our team in McLean ... of telecommunications systems, including VoIP and legacy phone systems, ensuring high-quality ...
Network Analyst
$91K - $153K/yr
MANTECH seeks a motivated, career and customer-oriented Network Analyst to join our team USMC Team ... Includes telecommunications specialists who deal with the interfacing of computer and ...
Network Analyst
$91K - $153K/yr
MANTECH seeks a motivated, career and customer-oriented Network Analyst to join our team USMC Team ... Includes telecommunications specialists who deal with the interfacing of computer and ...
Phone Technician
Chantilly, VA · On-site
$97K - $161K/yr
MANTECH seeks a motivated, career and customer-oriented Phone Technician to join our team in ... of telecommunications systems, including VoIP and legacy phone systems, ensuring high-quality ...
Phone Technician
Chantilly, VA · On-site
$97K - $161K/yr
MANTECH seeks a motivated, career and customer-oriented Phone Technician to join our team in ... of telecommunications systems, including VoIP and legacy phone systems, ensuring high-quality ...
Phone Technician Lead
$119K - $199K/yr
MANTECH seeks a motivated, career and customer-oriented Phone Technician Lead to join our team in ... of telecommunications systems, including VoIP and legacy phone systems. As the Lead, you will ...
Phone Technician Lead
$119K - $199K/yr
MANTECH seeks a motivated, career and customer-oriented Phone Technician Lead to join our team in ... of telecommunications systems, including VoIP and legacy phone systems. As the Lead, you will ...
Phone Technician
Mclean, VA · On-site
$75K - $125K/yr
MANTECH seeks a motivated, career and customer-oriented Phone Technician to join our team in McLean ... of telecommunications systems, including VoIP and legacy phone systems, ensuring high-quality ...
Phone Technician
Mclean, VA · On-site
$75K - $125K/yr
MANTECH seeks a motivated, career and customer-oriented Phone Technician to join our team in McLean ... of telecommunications systems, including VoIP and legacy phone systems, ensuring high-quality ...
Senior Information Systems Security Officer
$141K - $236K/yr
MANTECH seeks a motivated, career and customer-oriented Senior Information Systems Security Officer ... telecommunications, electrical engineering, computer engineering, computer science, or a closely ...
Senior Information Systems Security Officer
$141K - $236K/yr
MANTECH seeks a motivated, career and customer-oriented Senior Information Systems Security Officer ... telecommunications, electrical engineering, computer engineering, computer science, or a closely ...
MANTECH seeks a motivated, career and customer-oriented Network Analyst to join our team USMC Team ... Includes telecommunications specialists who deal with the interfacing of computer and ...
MANTECH seeks a motivated, career and customer-oriented Network Analyst to join our team USMC Team ... Includes telecommunications specialists who deal with the interfacing of computer and ...
Network Engineer
$141K - $236K/yr
MANTECH seeks a motivated, career and customer-oriented Network Engineer to join our team in Laurel ... telecommunications services in a complex environment consisting of various Cisco network equipment ...
Network Engineer
$141K - $236K/yr
MANTECH seeks a motivated, career and customer-oriented Network Engineer to join our team in Laurel ... telecommunications services in a complex environment consisting of various Cisco network equipment ...
Senior Information Systems Security Officer
Washington, DC · On-site
$141K - $236K/yr
MANTECH seeks a motivated, career and customer-oriented Senior Information Systems Security Officer ... telecommunications, electrical engineering, computer engineering, computer science, or a closely ...
Senior Information Systems Security Officer
Washington, DC · On-site
$141K - $236K/yr
MANTECH seeks a motivated, career and customer-oriented Senior Information Systems Security Officer ... telecommunications, electrical engineering, computer engineering, computer science, or a closely ...
Remote Support Technician
$75K - $125K/yr
MANTECH seeks a motivated, career-oriented, and customer-focused Remote Support Technician to join ... telecommunications. * Knowledge of Windows Active Directory, multiple desktop programs ...
Remote Support Technician
$75K - $125K/yr
MANTECH seeks a motivated, career-oriented, and customer-focused Remote Support Technician to join ... telecommunications. * Knowledge of Windows Active Directory, multiple desktop programs ...
Remote Support Technician
$66K - $109K/yr
MANTECH seeks a motivated, career-oriented, and customer-focused Remote Support Technician to join ... telecommunications. * Knowledge of Windows Active Directory, multiple desktop programs ...
Remote Support Technician
$66K - $109K/yr
MANTECH seeks a motivated, career-oriented, and customer-focused Remote Support Technician to join ... telecommunications. * Knowledge of Windows Active Directory, multiple desktop programs ...
Incident Technician
Mclean, VA · On-site
$75K - $125K/yr
MANTECH seeks a motivated, career-oriented, and customer-focused Incident Technician to join our ... Ability to troubleshoot and resolve hardware, software, network, and telecommunications issues.
Incident Technician
Mclean, VA · On-site
$75K - $125K/yr
MANTECH seeks a motivated, career-oriented, and customer-focused Incident Technician to join our ... Ability to troubleshoot and resolve hardware, software, network, and telecommunications issues.
Network Analyst
Quantico, VA · On-site
$91K - $153K/yr
MANTECH seeks a motivated, career and customer-oriented Network Analyst to join our team USMC Team ... Includes telecommunications specialists who deal with the interfacing of computer and ...
Network Analyst
Quantico, VA · On-site
$91K - $153K/yr
MANTECH seeks a motivated, career and customer-oriented Network Analyst to join our team USMC Team ... Includes telecommunications specialists who deal with the interfacing of computer and ...
MANTECH seeks a motivated, career and customer-oriented Voice and Video Engineer to join our team ... Master's degree in Computer Science, Telecommunications, or a related field. * Knowledge of ...
MANTECH seeks a motivated, career and customer-oriented Voice and Video Engineer to join our team ... Master's degree in Computer Science, Telecommunications, or a related field. * Knowledge of ...
Code Plug Template Creator
Alexandria, VA · On-site
MANTECH seeks a motivated, career and customer-oriented Senior Code Plug Template Creator to join ... Bachelor's degree in Information Technology, Computer Science, Network/Telecommunications ...
Code Plug Template Creator
Alexandria, VA · On-site
MANTECH seeks a motivated, career and customer-oriented Senior Code Plug Template Creator to join ... Bachelor's degree in Information Technology, Computer Science, Network/Telecommunications ...
MANTECH seeks a motivated, career and customer-oriented Senior Code Plug Template Creator to join ... Bachelor's degree in Information Technology, Computer Science, Network/Telecommunications ...
MANTECH seeks a motivated, career and customer-oriented Senior Code Plug Template Creator to join ... Bachelor's degree in Information Technology, Computer Science, Network/Telecommunications ...
Phone Technician
$38K - $38K/yr
MANTECH seeks a motivated, career and customer-oriented Phone Technician to join our team in ... of telecommunications systems, including VoIP and legacy phone systems, ensuring high-quality ...
Phone Technician
$38K - $38K/yr
MANTECH seeks a motivated, career and customer-oriented Phone Technician to join our team in ... of telecommunications systems, including VoIP and legacy phone systems, ensuring high-quality ...
Systems Engineer
$116K - $194K/yr
Since 1968, MANTECH has led in delivering advanced solutions to government intelligence, the ... Familiarity with modeling complex telecommunications standards, such as Lifecycle Service ...
Systems Engineer
$116K - $194K/yr
Since 1968, MANTECH has led in delivering advanced solutions to government intelligence, the ... Familiarity with modeling complex telecommunications standards, such as Lifecycle Service ...
ManTech Jobs Information
Do workers at ManTech get paid breaks?
100% of people say they get paid breaks.
Based on data from 8 people who took the Breakroom Quiz between December 2024 and June 2026.
Does ManTech pay people when they’re sick?
46% of people say they wouldn’t get paid if they were sick but scheduled to work.
Based on data from 13 people who took the Breakroom Quiz between December 2024 and June 2026.
At ManTech, are sick days and vacation days separate paid time off?
45% of people say they have to use vacation days when they’re out sick.
Based on data from 11 people who took the Breakroom Quiz between June 2025 and June 2026.
Is the health insurance from ManTech affordable enough for their workers?
83% of people say the health insurance costs are okay
Based on data from 6 people who took the Breakroom Quiz between March 2025 and June 2026.
Do people get paid time off at ManTech?
100% of people say they get paid time off.
Based on data from 11 people who took the Breakroom Quiz between June 2025 and June 2026.
How far ahead of time do people find out their work schedule?
- 80% of people with changing schedules find out their shifts one week or less ahead of time.
- 20% of people with changing schedules find out their shifts two weeks ahead of time.
- 0% of people with changing schedules find out their shifts three weeks ahead of time.
- 0% of people with changing schedules find out their shifts four weeks or more ahead of time.
Based on data from 5 people who took the Breakroom Quiz between March 2025 and March 2026.
Do workers at ManTech worry about hours?
100% of people report they don’t worry about getting enough hours.
Based on data from 6 people who took the Breakroom Quiz between December 2024 and March 2026.
Do ManTech workers get to choose the shifts they work?
50% report that they don’t have enough control over which shifts they work.
Based on data from 6 people who took the Breakroom Quiz between December 2024 and March 2026.
How easy is it for ManTech workers to change shifts?
80% of people report that it’s easy to change shifts if they need to.
Based on data from 5 people who took the Breakroom Quiz between March 2025 and March 2026.
How easy is it to get time off at ManTech?
100% of people report it’s easy to get time off.
Based on data from 14 people who took the Breakroom Quiz between December 2024 and June 2026.
Do ManTech managers change schedules at the last minute?
88% of people say their manager doesn’t change their shift schedule at the last minute.
Based on data from 8 people who took the Breakroom Quiz between December 2024 and March 2026.
Do jobs at ManTech spill into time workers aren’t paid for?
25% of people report that their job takes up time that they don’t get paid for.
Based on data from 8 people who took the Breakroom Quiz between December 2024 and March 2026.
How easy is it to take sick days at ManTech?
100% of people report that it’s easy to take time off if they are sick.
Based on data from 14 people who took the Breakroom Quiz between December 2024 and June 2026.
Is working at ManTech good if you’re a parent or caregiver?
100% of people who care for a child or other relative report this is a good place to work.
Based on data from 7 people who took the Breakroom Quiz between December 2024 and April 2026.
Do people at ManTech feel treated with respect by their managers?
93% of people say they’re treated with respect by their managers.
Based on data from 14 people who took the Breakroom Quiz between December 2024 and June 2026.
Do people at ManTech get to take their breaks without interruption?
85% of people report that they get to take their breaks without interruption.
Based on data from 13 people who took the Breakroom Quiz between December 2024 and June 2026.
Is it stressful to work at ManTech?
46% of people say they often feel stressed out at work.
Based on data from 13 people who took the Breakroom Quiz between December 2024 and June 2026.
Do people at ManTech enjoy their jobs?
89% of people report they enjoy their job.
Based on data from 9 people who took the Breakroom Quiz between December 2024 and June 2026.
Do people at ManTech recommend working with their team?
79% of people report that they would recommend working with their immediate team to a friend.
Based on data from 14 people who took the Breakroom Quiz between December 2024 and June 2026.
Do people get enough training when they start at ManTech?
43% of people report they didn’t get enough training when they started working here.
Based on data from 14 people who took the Breakroom Quiz between December 2024 and June 2026.
Do people get support to advance at ManTech?
In the last year, 67% of people report being given support to advance their career here.
Based on data from 12 people who took the Breakroom Quiz between December 2024 and June 2026.
Do people think ManTech’s headquarters understands what’s happening where they work?
69% of people think that this employer’s headquarters or owners don’t have a good understanding of what’s really happening where they work.
Based on data from 13 people who took the Breakroom Quiz between December 2024 and June 2026.
Do workers feel well informed about how ManTech is doing?
69% of people feel that they are kept well informed about how the company is doing as a whole.
Based on data from 13 people who took the Breakroom Quiz between December 2024 and June 2026.

$105K - $177K/yr
Full-time
Medical, Life, Retirement, PTO
Posted 17 days ago
ManTech rating
9.0
Based on 14 frontline employees who took The Breakroom Quiz
30th of 209 rated software companies
Job description
Requisition #
R67348
Locations
USA-Remote Work
Posting Date
04/29/2026
Security Clearance Required
Secret
Remote Type
Fully Remote
Time Type
Full time
Description & Requirements
Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we've been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now-protect and innovate with MANTECH!
***This is for a future opportunity***
MANTECH seeks a motivated, career and customer-oriented Senior Telecommunications Engineering Specialist, Unified Communications to join our CASTLE-NET Program team. This is a remote position.
Be a part of an agile team to provide the U.S Army Corps of Engineers (USACE) OCIO/G-6 with agile, innovative, customer focused, and cost-effective integrated enterprise IT support services in support of the USACE vision of engineering solutions for the Nation's toughest challenges.
Responsibilities include but are not limited to:
- Providing administrative, operational, and management support for the CASTLE-NET unified communications infrastructure, including voice and video conferencing systems.
- Leading a team to support current infrastructure systems, platforms, tools, and components while maintaining standardized setups.
- Assisting customers with virtual instruction on communication systems and installing and configuring handsets and video endpoints.
- Planning and leading major technology assignments while evaluating performance results to recommend changes affecting project success.
- Delivering world-class IT services and responsive customer support to exceed the expectations of USACE OCIO/G-6 IT end-users.
- Functioning as a technical expert across multiple project assignments and supervising staff to ensure technical requirements are met.
Minimum Qualifications:
- Bachelor's degree in Telecommunications, IT, or a related field; or an Associate degree with 2+ years of experience; or 4+ years of relevant experience.
- 8+ years of experience in unified communications, with at least 3 years in a leadership role.
- Extensive knowledge of UC technologies such as VoIP, SIP, Microsoft Teams, and Cisco WebEx.
- Proficiency in installing and configuring telephony and video endpoints, network protocols, and security best practices.
- Must possess and maintain a 8140 IAT Level II certification.
Preferred Qualifications:
- Relevant certifications such as CCNP Collaboration or Microsoft Certified: Teams Administrator.
- Familiarity with the USACE IT environment, regulatory requirements, and data security best practices.
Clearance Requirements:
- Must possess a Secret security clearance prior to starting this position.
Physical Requirements:
- The person in this position must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.
The projected compensation range for this position is $105,900.00-$177,300.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.
MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.
If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.
About ManTech
Sourced by ZipRecruiter
Industry
It services
Company size
5,001 - 10,000 Employees
Headquarters location
Herndon, VA, US
Year founded
1968