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60 Mantech Computer Operator Jobs Hiring Near You

ManTech

Principal Cyber Security Engineer

Denver, CO · On-site

$128K - $214K/yr

MANTECH seeks a motivated, career and customer-oriented Principal Cyber Security Engineer to join ... Constantly operates a computer and other office productivity machinery, such as a calculator, copy ...

ManTech

Information Systems Security Officer

Quantico, VA · On-site

$91K - $153K/yr

MANTECH seeks a motivated, career and customer-oriented Information System Security Officer (ISSO ... Ensure that selected security controls are implemented and operating as intended during all phases ...

ManTech

Principal Cyber Security Engineer

Denver, CO · On-site

$128K - $214K/yr

MANTECH seeks a motivated, career and customer-oriented Principal Cyber Security Engineer to join ... Constantly operates a computer and other office productivity machinery, such as a calculator, copy ...

ManTech

Mechanical Engineer

Crane, IN · On-site

MANTECH seeks a motivated, career and customer-oriented Mechanical Engineer to join our team ... Execute mechanical design, CAD modeling, and reverse engineering applying GD&T. Program CNC mills ...

ManTech

Information System Security Engineer

Washington, DC · On-site

$91K - $153K/yr

MANTECH seeks a motivated, career and customer-oriented Information Systems Security Engineer (ISSE ... Ensure that the design of hardware, operating systems, and software applications adequately address ...

ManTech

Software Engineer

Annapolis Junction, MD · On-site

$141K - $236K/yr

MANTECH seeks a motivated, career and customer-oriented Software Engineer to join our team in the ... Integrate existing software into new or modified systems or operating environments. * Develop ...

ManTech

Video Installation Technician

Mclean, VA

$97K - $161K/yr

MANTECH seeks a motivated, career and customer-oriented Video Installation Technician to join our ... Constantly operate a computer, phone, and other office equipment for extended periods of time.

ManTech

Network Engineer

Fort George G Meade, MD · On-site

$141K - $236K/yr

MANTECH seeks an experienced and passionate, career and customer-oriented Network Engineer to join ... Constantly operates a computer and other office productivity machinery, such as a computer * The ...

ManTech

Software Engineer

Fort George G Meade, MD · On-site

$114K - $190K/yr

Description & Requirements Unlock the secrets of intelligence with MANTECH! Join a dynamic team at ... Bachelor's Degree in Computer Science or related discipline with 7+ years of software engineering ...

ManTech International

Systems Administrators

Dallas, TX · On-site

MANTECH seeks motivated, career and customer-oriented Systems Administrators to join our team in ... Oversee the administration of server operating systems and ensure the integrity of data storage and ...

ManTech

Technical Writer

Chesapeake, VA · On-site

$42K - $70K/yr

MANTECH seeks a motivated and detail-oriented Technical Writer to join our team in Chesapeake, VA ... Receive technical direction from supervisor or senior writer, notes, manuals containing operating ...

ManTech

Software Engineer

Fort George G Meade, MD · On-site

$141K - $236K/yr

MANTECH seeks a motivated, career and customer-oriented Software Engineer to join our team in Fort ... Integrating existing software into new or modified systems or operating environments. * Developing ...

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ManTech Jobs Information

Do workers at ManTech get paid breaks?

Yes. Most people 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?

Sometimes. Only some people get paid when they’re sick.
50% of people say they wouldn’t get paid if they were sick but scheduled to work.
Based on data from 14 people who took the Breakroom Quiz between December 2024 and August 2026.

At ManTech, are sick days and vacation days separate paid time off?

Only some people have separate paid time off for sick days and vacation.
50% of people say they have to use vacation days when they’re out sick.
Based on data from 12 people who took the Breakroom Quiz between June 2025 and August 2026.

Is the health insurance from ManTech affordable enough for their workers?

Most people say the health insurance costs are okay.
86% of people say the health insurance costs are okay
Based on data from 7 people who took the Breakroom Quiz between March 2025 and August 2026.

Do people get paid time off at ManTech?

Most people get paid time off work.
100% of people say they get paid time off.
Based on data from 12 people who took the Breakroom Quiz between June 2025 and August 2026.

How far ahead of time do people find out their work schedule?

Most people find out their schedule less than four weeks ahead of time.
  • 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?

Most people don’t worry about getting enough 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?

Some people don’t get to choose which 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?

Most people find it easy 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?

Most people find it easy to get time off.
100% of people report it’s easy to get time off.
Based on data from 15 people who took the Breakroom Quiz between December 2024 and August 2026.

Do ManTech managers change schedules at the last minute?

Most managers don’t change people’s 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?

Rarely. The job doesn't usually spill into unpaid time.
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?

Most people find it easy to take sick days.
100% of people report that it’s easy to take time off if they are sick.
Based on data from 15 people who took the Breakroom Quiz between December 2024 and August 2026.

Is working at ManTech good if you’re a parent or caregiver?

Most parents and caregivers say this is a good place to work.
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?

Most people feel treated with respect by their managers.
87% of people say they’re treated with respect by their managers.
Based on data from 15 people who took the Breakroom Quiz between December 2024 and August 2026.

Do people at ManTech get to take their breaks without interruption?

Most people get breaks without interruption.
79% of people report that they get to take their breaks without interruption.
Based on data from 14 people who took the Breakroom Quiz between December 2024 and August 2026.

Is it stressful to work at ManTech?

Some people feel stressed here.
50% of people say they often feel stressed at work.
Based on data from 14 people who took the Breakroom Quiz between December 2024 and August 2026.

Do people at ManTech enjoy their jobs?

Most people enjoy their job.
80% of people report they enjoy their job.
Based on data from 10 people who took the Breakroom Quiz between December 2024 and August 2026.

Do people at ManTech recommend working with their team?

Most people recommend working with their team.
73% of people report that they would recommend working with their immediate team to a friend.
Based on data from 15 people who took the Breakroom Quiz between December 2024 and August 2026.

Do people get enough training when they start at ManTech?

Some people didn’t get enough training when they started.
47% of people report they didn’t get enough training when they started working here.
Based on data from 15 people who took the Breakroom Quiz between December 2024 and August 2026.

Do people get support to advance at ManTech?

Only some people are given support to advance their career here.
In the last year, 38% of people report not being given support to advance their career here.
Based on data from 13 people who took the Breakroom Quiz between December 2024 and August 2026.

Do people think ManTech’s headquarters understands what’s happening where they work?

Most people think headquarters doesn’t understand what’s happening where they work.
71% 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 14 people who took the Breakroom Quiz between December 2024 and August 2026.

Do workers feel well informed about how ManTech is doing?

Only some people feel well informed about how the company is doing.
36% of people feel that they aren’t kept well informed about how the company is doing as a whole.
Based on data from 14 people who took the Breakroom Quiz between December 2024 and August 2026.

What other companies are hiring for Computer Operator jobs?

What are the most popular jobs at Mantech?

What are the most popular categories at Mantech?

Infographic showing various Computer Operator job openings at Mantech in the United States as of September 2026, with employment types broken down into 100% Full Time. Highlights an 90% Physical, 3% Hybrid, and 7% Remote job distribution.

Principal Cyber Security Engineer

Denver, CO • On-site

ManTech
IT Services • 5 - 10K employees
Learn more about ManTechexternal

$128K - $214K/yr

Full-time

Medical, Life, Retirement, PTO

Re-posted 11 days ago

ManTech rating

8.8

Company rating: 8.8 out of 10

Based on 15 frontline employees who took The Breakroom Quiz

Job description

Description & Requirements
Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we've been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now-unleash your potential with MANTECH!

MANTECH seeks a motivated, career and customer-oriented Principal Cyber Security Engineer to join our team in Denver, CO.

You will help protect our national security while working on innovative projects that offer opportunities for advancement. This role supports the design, implementation, and maintenance of complex systems and infrastructure to proactively mitigate cyber threats to customer networks.

Responsibilities include but are not limited to:

  • Deploys solutions to proactively mitigate cyber threats to customer networks.
  • Collaborate with cross-functional teams to ensure that our systems and infrastructure meet security, scalability, and performance requirements.
  • Troubleshoot and resolve complex system issues, including performance and availability problems.
  • Makes recommendations to improve overall security posture to senior management.
  • Plan and execute system upgrades, patches, and migrations.
  • Evaluates potential system security risks and takes appropriate corrective, mitigation, and recovery actions.
  • Researches, evaluates, and provides feedback on problematic security trends and patterns in customer support requirements.

Minimum Qualifications:

  • Bachelor's degree, or 4+ additional years of cyber experience in lieu of a degree.
  • 7+ years of cyber security experience.
  • Experience with IT system and application engineering background with experience in modern Windows, LINUX, network operating systems, databases, and virtual computing.
  • Experience with certification testing, Risk Management Framework (RMF), information assurance tools, DoD STIG, and vulnerability assessment.
  • Experience with VMWare infrastructure, including vCenter and ESXi configuration and maintenance.
  • Experience with one or more scripting languages such as Python, JavaScript, or Perl.
  • Knowledge of network devices (routers and switches), TCP/UDP traffic, firewall technologies, IDS technologies, proxy technologies, and antivirus, spam and spyware solutions.
  • DoD 8570 certification meeting IAT Level II required.

Preferred Qualifications:

  • Familiarity with Elastic to include Logstash and Kibana concepts.
  • Knowledge of IDS (intrusion detection solutions) and the implementation of counter-measures or mitigating controls.
  • Understanding of the latest security principles, techniques, and protocols.

Clearance Requirements:

  • An active TS/SCI with Polygraph is required.

Physical Requirements

  • Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine, and computer printer.
  • The person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.

The projected compensation range for this position is $128,800.00-$214,500.00. 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.

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