ManTech
ManTech

60 Mantech Computer Operator Jobs Hiring Near You

MANTECH seeks a motivated, career and customer-oriented Tier 1 Cybersecurity Analyst to join our ... Bachelor's degree in Cybersecurity, Computer Science, or a related field (or equivalent military ...

Client Support Technician

Eglin, FL · On-site

$19.75 - $27/hr

... operating system and/or common application functionality (e.g., customer issues with Microsoft ... computer printer. MANTECH considers all qualified applicants for employment without regard to ...

MANTECH seeks a motivated, mission-focused Senior Linux Systems Administrator to join our team in ... You will be responsible for the operating system software and its seamless integration with ...

MANTECH seeks a motivated, career and customer-oriented Precision Assembly Technician to join our ... Operating computer-controlled LabVIEW instrumentation systems under multiple extreme conditions ...

MANTECH seeks a motivated, career and customer-oriented Information Systems Security Engineer (ISSE ... Bachelor's degree in Computer Science or other related technical field and 5+ years of relevant ...

MANTECH seeks a motivated, mission-focused Senior Linux Systems Administrator to join our team in ... You will be responsible for the operating system software and its seamless integration with ...

MANTECH seeks a motivated, career and customer-oriented Information Systems Security Engineer (ISSE ... Bachelor's degree in Computer Science or other related technical field and 5+ years of relevant ...

MANTECH seeks an experienced and passionate, career and customer-oriented Systems Administrator to ... Provide comprehensive administration and support for multi-platform operating system environments.

Network Engineer

Norfolk, VA · On-site

$94K - $157K/yr

Description & Requirements Shape the future of defense with MANTECH! Join a team dedicated to ... Bachelor's degree in Computer Science, Information Technology, or other related field and 5+ years ...

MANTECH seeks an experienced and passionate, career and customer-oriented Systems Engineer to join ... Develop and maintain Standard Operating Procedures (SOPs) for comprehensive system configurations.

MANTECH seeks a motivated, career and customer-oriented Senior Cyber Security Analyst to join our ... Experience with Windows and Linux operating systems * Working knowledge of current COTS ...

Showing results 21-40

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.
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.

Senior Information Systems Security Engineer

Washington, DC • On-site

ManTech
IT Services • 5 - 10K employees

$141K - $236K/yr

Full-time

Medical, Life, Retirement, PTO

Re-posted 25 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!
***This is for a future opportunity***

MANTECH seeks a motivated, career and customer-oriented Senior Information Systems Security Engineer (ISSE) to join our team in Washington, D.C. This is an onsite position.

The Information Systems Security Engineer (ISSE) will leverage their strong technical background and knowledge to support accreditation efforts, to include responding to/implementing/documenting required controls, and completing required tasks/actions.
 


Responsibilities include but are not limited to:

  • Designing secure architectures, hardware, operating systems, and software applications to ensure cybersecurity requirements are adequately addressed for the IS and Network Environment.
  • Designing, developing, and implementing network security measures and specific countermeasures that provide confidentiality, integrity, availability, authentication, and non-repudiation.
  • Integrating and implementing security protocols with Cross Domain Solutions (CDS) for use within the IS and Network Environment.
  • Developing interface specifications and approaches to mitigate vulnerabilities while recommending changes to network system components as needed.
  • Ensuring that network system designs support the seamless incorporation of directed cybersecurity vulnerability solutions.
  • Documenting responses to required controls and maintaining a robust library of documentation to successfully navigate the Sponsor's accreditation process.
  • Working with management, internal teams, and stakeholders to ensure complete and functioning systems that meet all mission requirements.


Minimum Qualifications:

  • Bachelor's degree or equivalent (6 additional years of experience) in computer science, business management, or an IT-related discipline.
  • 10 + years of related information systems security experience, or a Master's degree with 7+ years of experience.
  • Posession of one or more relevant industry certifications, such as CCISO, CISA, CISM, CISSP, CISSP-ISSEP, CySA+, GSLC, GSNA, CCNP Enterprise, CISSP-ISSAP, GCIA, GDSA, or GICSP.
  • 4 + years of focused experience in one or more of the following: computer network penetration testing and techniques; computer evidence seizure, computer forensic analysis, and data recovery; computer intrusion analysis and incident response, intrusion detection; computer network surveillance and monitoring; network protocols, network devices, multiple operating systems, and secure architectures.
  • Significant experience navigating technical accreditation processes and creating Assessment & Authorization (A&A) Body of Evidence (BOE) documentation.
  • Familiarity operating standard security and discovery tools including Tenable Nessus, Security Center, IBM Guardium, HP WebInspect, and Network Mapper (NMAP).

Preferred Qualifications:

  • Hands-on experience utilizing cyber risk and compliance automation tools.
  • Self-starter with excellent interpersonal skills who is able to work across teams, organize boards, and drive change throughout an organization.

Clearance Requirements:

  • Must have a current/active TS/SCI.
  • Abilty to obtain and maintain a polygraph.
  • Must be able to remain in a stationary position 50% of the time.
  • Needs to occasionally move about inside the office to access file cabinets, office machinery, and other equipment.
  • 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 $141,500.00-$236,000.00. 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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