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60 Mantech Security Jobs Hiring Near You

ManTech

Personnel Security Specialist

Los Angeles, CA · On-site

$97K - $161K/yr

MANTECH seeks a Personnel Security Specialist II to handle personnel security functions in support of the customer's facility and organization to join our team in El Segundo, CA . The Personnel ...

ManTech

Personnel Security Specialist

Los Angeles, CA

$75K - $125K/yr

MANTECH seeks a motivated, career and customer-oriented Personnel Security Specialist (PSS)-II to join our team in El Segundo, CA. The Personnel Security Specialist (PSS)-II will play a vital role in ...

ManTech

Program Security Assistant

Chantilly, VA · On-site

$75K - $125K/yr

MANTECH seeks a motivated, career and customer-oriented Program Security Assistant to join our team in the Chantilly, VA area. Program Security Assistant (PSA) provides assistance to the Government ...

ManTech

Personnel Security Specialist

Los Angeles, CA

$97K - $161K/yr

ManTech seeks a motivated, career and customer-oriented Personnel Security Specialist II to join our team in El Segundo, CA. The Personnel Security Specialist's primary function is to handle ...

ManTech

Personnel Security Specialist

Los Angeles, CA · On-site

$97K - $161K/yr

ManTech seeks a motivated, career and customer-oriented Personnel Security Specialist II to join our team in El Segundo, CA. The Personnel Security Specialist's primary function is to handle ...

ManTech

Personnel Security Specialist

Los Angeles, CA · On-site

$97K - $161K/yr

ManTech seeks a motivated, career and customer-oriented Personnel Security Specialist II to join our team in El Segundo, CA . The Personnel Security Specialist's primary function is to handle ...

ManTech

Program Security Officer 2

Chantilly, VA · On-site

$75K - $125K/yr

MANTECH seeks a motivated, career and customer-oriented Program Security Officer 2 PSO 2 to join our team in Chantilly, VA. Responsibilities include, but are not limited to: * Provide program ...

ManTech

Activity Security Representative

Los Angeles, CA · On-site

$91K - $153K/yr

MANTECH seeks a motivated, career and customer-oriented Activity Security Representative to join our team in El Segundo, CA. The Activity Security Representative-I will leverage their strong ...

ManTech

Information Systems Security Engineer

Norfolk, VA · On-site

$89K - $148K/yr

MANTECH seeks a motivated, career and customer-oriented Information Systems Security Engineer (ISSE) to join our team onsite in Norfolk, Virginia supporting the Navy Continuous Training Environment ...

ManTech

Information System Security Officer

Fairmont, WV · On-site

$99K - $165K/yr

MANTECH seeks a motivated, career and customer-oriented Senior Information System Security Officer (ISSO) to join our team in Fairmont, WV . In this critical full-time role, you will be responsible ...

ManTech

Information Systems Security Engineer

Norfolk, VA · On-site

$89K - $148K/yr

MANTECH seeks a motivated, career and customer-oriented Information Systems Security Engineer (ISSE) to join our team onsite in Norfolk, Virginia supporting the Navy Continuous Training Environment ...

ManTech

Activity Security Representative

Cape Canaveral, FL · On-site

$14.50 - $17/hr

MANTECH seeks a motivated, career and customer-oriented Activity Security Representative II to join our team in Cape Canaveral, FL . This role supports the customer's facility and organization by ...

ManTech

Network Security Engineer

Chantilly, VA · On-site

$104K - $172K/yr

MANTECH seeks a motivated, career and customer-oriented Network Security Engineer to join our team in Chantilly, VA. This is an onsite position. Responsibilities include but are not limited to:

ManTech

Information Systems Security Officer

Lompoc, CA · On-site

$91K - $153K/yr

MANTECH seeks a motivated, career, and customer-oriented Information Systems Security Officer (ISSO) - I to join our team in the Vandenberg Space Force Base, CA area. In this role, you will provide ...

ManTech

Activity Security Representative

El Segundo, CA · On-site

$91K - $153K/yr

MANTECH seeks a motivated, career and customer-oriented Activity Security Representative to join our team in El Segundo, CA. The Activity Security Representative-I will leverage their strong ...

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Showing results 21-40

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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.
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 are the most popular job types at Mantech?

    What are the most popular jobs at Mantech?

    What are the most popular categories at Mantech?

    Infographic showing various Security job openings at Mantech in the United States as of August 2026, with employment types broken down into 100% Full Time. Highlights an 86% Physical, 6% Hybrid, and 8% Remote job distribution.

    Personnel Security Specialist

    ManTech

    Los Angeles, CA • On-site

    $97K - $161K/yr

    Full-time

    Medical, Life, Retirement, PTO

    Re-posted 9 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

    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 Personnel Security Specialist II to handle personnel security functions in support of the customer's facility and organization to join our team in El Segundo, CA.

    The Personnel Security Specialist's will provide day-to-day PERSEC services for Collateral, Sensitive Compartmented Information (SCI), and Special Access Program (SAP) activities.

    Responsibilities include but are not limited to:

    • Maintain various daily logs for administrative functions associated with PERSEC.
    • Perform data entry and record checks in the Joint Access Database (JADE) and maintain all customer-sponsored personnel access information and billets.
    • Build and maintain tracking spreadsheets and databases while following and enforcing customer Standard Operating Procedures.
    • Review, track, and monitor security clearance processing activities and prepare Program Access Requests (PARs) and Special Access Program Nomination Process (SAPNP) questionnaires.
    • Conduct Defense Central Index of Investigations (DCII), DISS, and SAPNP reviews of candidates submitted for SAP access.
    • Provide support for security awareness programs and interface with senior leaders and Government Program Managers for Access Approval decisions.  
    • Experience maintaining personnel security files, tracking spreadsheets, and administrative logs.

    Minimum Qualifications:

    • Bachelor's degree; 4 additional years of experience may be considered in lieu of degree
    • 6+ years of related PERSEC experience, including 2 years of relevant SCI or SAP experience.
    • Must complete DISS, Joint Access Database Environment (JADE), and DoD SAPCO approved SAPNP training.
    • Experience executing Special Access Program Nomination Process Questionnaires and conducting record checks.

    Preferred Qualifications:

    • Familiarity with security policy manuals, ICDs, JAFANs, DoD Manuals, and guiding policy documents.
    • Ability to work in a dynamic environment and effectively interact with DoD, military, civilian, and industry partners.

    Clearance Requirements:

    • Must possess an active Top-Secret clearance with SCI eligibility.
    • Must have eligibility for access to Special Access Program Information.
    • Must be willing to submit to a Counterintelligence polygraph.

    Physical Requirements:

    • Willingness to travel within the organizational Area of Responsibility (AOR), which may include both air and ground transportation.
    • Must be able to remain in a stationary position for extended periods in closed-area offices.
    • Must be able to occasionally move about inside and outside the office to access files, cabinets, and safes.

    The projected compensation range for this position is $97,100.00-$161,900.00. 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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