ZipRecruiter

Log In

ManTech
ManTech

60 Mantech Information Security Engineer Jobs Hiring Near You

MANTECH

Cloud Security Engineer

Herndon, VA

MANTECH seeks a highly technical Cloud Security Engineer to join our team in Herndon, VA . Join a ... Information and Event Management (SIEM) tools. Responsibilities include, but are not limited to:

MANTECH

Cloud Security Engineer

Herndon, VA

MANTECH seeks a highly technical Cloud Security Engineer to join our team in Herndon, VA . Join a ... Information and Event Management (SIEM) tools. Responsibilities include, but are not limited to:

MANTECH

Security Engineer

Springfield, MA

MANTECH seeks a motivated, career and customer-oriented Security Engineer to join our team in ... Serving as the primary technical interface to NGA Information System Security Officers (ISSOs) and ...

MANTECH

Cloud Security Engineer

Herndon, VA

MANTECH seeks a highly technical Cloud Security Engineer to join our team in Herndon, VA . Join a ... Information and Event Management (SIEM) tools. Responsibilities include, but are not limited to:

MANTECH

Application Security Engineer

Hanover, NH · On-site

$58.75 - $78.25/hr

MANTECH seeks a motivated, career and customer-oriented Application Security (AppSec) Engineer to ... Must be able to exchange accurate information in these situations.

MANTECH

Enterprise AI Security Engineer

Washington, DC · On-site

MANTECH seeks a motivated, career and customer oriented Enterprise AI Security Engineer for a new ... Minimum Qualifications: · 7 or more years of experience in Information System Security Engineering ...

previous page

Showing results 41-60

All JobsMantech JobsMantech Information Security Engineer Jobs

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.
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?

Only some people have separate paid time off for sick days and vacation.
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?

Most people say the health insurance costs are okay.
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?

Most people get paid time off work.
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?

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 14 people who took the Breakroom Quiz between December 2024 and June 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 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?

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.
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?

Most people get 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?

Some people feel stressed out here.
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?

Most people enjoy their job.
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?

Most people 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?

Some people didn’t get enough training when they started.
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?

Most people are given support to advance their career here.
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?

Most people think headquarters doesn’t understand 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?

Most people feel well informed about how the company 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.

What other companies are hiring for Information Security Engineer jobs?

What are the most popular jobs at Mantech?

What are the most popular categories at Mantech?

Infographic showing various Information Security Engineer job openings at Mantech in the United States as of August 2026, with employment types broken down into 100% Full Time. Highlights an 88% Physical, 5% Hybrid, and 7% Remote job distribution.

Cyber System Security Engineer

ManTech International

El Segundo, CA • On-site

$141K - $236K/yr

Full-time

Medical, Life, Retirement, PTO

Posted 5 days ago

ManTech rating

9.0

Company rating: 9.0 out of 10

Based on 14 frontline employees who took The Breakroom Quiz

33rd of 244 rated software companies

Job description

General information
Requisition #
R69641
Locations
USA-CA-El Segundo
Posting Date
08/07/2026
Security Clearance Required
TS/SCI
Remote Type
Onsite
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!
MANTECH seeks a motivated, career and customer-oriented Cybersecurity System Security Engineer (CSSE) - III to join our team in El Segundo, CA.
In this role, you will provide critical support within Special Access Programs (SAPs) supporting SSC and AFSPC acquisition programs. You will deliver daily technical support across Collateral, Sensitive Compartmented Information (SCI), and SAP activities to ensure systems meet essential NIST Cybersecurity requirements for system assessment and authorization in a full-time, on-site environment.
Responsibilities
  • Lead a team of System Security Engineers and Certification Analysts ensuring customer national and international security interests are protected during acquisition system design and testing.
  • Chair and co-chair customer and SAP community Cybersecurity working groups while actively participating in Systems Security Engineering IPT reviews.
  • Perform oversight for the development, implementation, and evaluation of information system security program policies with emphasis on SAP network infrastructures.
  • Provide expert-level consultation and technical services on all aspects of Information Security and system designs.
  • Develop and provide Cybersecurity risk management recommendations, Program Protection Plans, and Cybersecurity Strategies to the customer.
  • Assist with site activation activities, design reviews, and test and evaluation of systems.
  • Work directly with approval and accreditation authorities to successfully obtain systems' Authorization to Operate (ATO).

Minimum Qualifications
  • Bachelor's degree in a related discipline an additional 4 years of related experience may be accepted in lieu of degree.
  • 12+ years of total experience, including a minimum of 8 years of experience within an SCI or SAR environment.
  • 4 years of direct Special Access Program (SAP) relevant experience.
  • Must meet DoD Directive 8570.01-M/8140 requirements for Information Assurance Technician (IAT) Level 3 and Information Assurance Manager (IAM) Level 3 within 6 months of hire.
  • Full understanding of Risk Management Framework (RMF) and Joint SAP Implementation Guide (JSIG) processes for system accreditation.

Preferred Qualifications
  • Familiarity with DoD security policies, manuals, and appropriate ICDs, JAFANs, and related guiding policy documents.
  • Proven ability to work in a dynamic environment and effectively interact with DoD, military, civilian, and industry partners.
  • Strong working knowledge of Microsoft Office applications including Word, PowerPoint, and Excel.
  • Possess a high degree of originality, creativity, and initiative while requiring minimal supervision.

Clearance Requirements
  • Current Top-Secret Clearance with SCI Eligibility.
  • Must be eligible for access to Special Access Programs (SAP).
  • Willingness to submit to a Counterintelligence polygraph.

Physical Requirements
  • Must be willing to travel within the organizational Area of Responsibility (AOR), including both air and ground transportation.
  • Person in this position may remain in a stationary position 50% of the time in closed-area offices.
  • Must be able to occasionally move about inside and outside of the office to access files, cabinets, and safes, or install and remove computer-related equipment.

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.

What ManTech employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom

Apply