# Information System Security Engineer

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 Information System Security Engineer ISSE to join our team in Chantilly, VA. As a Senior Information System Security Engineer ISSE, you will use your technical ISSE and IA experience to provide advice, assistance, and guidance to a government intelligence customer. Responsibilities include, but are not limited to: Perform, or review, technical security assessments of computing environments to identify points of vulnerability, non-compliance with established Information Assurance (IA) standards and regulations, and recommend mitigation strategies. Apply knowledge of IA policy, procedures, and workforce structure to design, develop, and implement secure networkin

- **Id**: 3975744
- **Url**: <https://alion.io/job/mantech-information-system-security-engineer-5>
- **Role**: Security
- **Role family**: Security
- **Seniority**: middle
- **Work mode**: on_site
- **Hiring geo confidence**: structured
- **Locations**: Chantilly, United States
- **Countries**: US
- **Hiring countries total**: 0
- **Experience years min**: 4
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-11-09T17:56:49Z
- **Employer posted date**: 2026-11-09
- **Last verified at**: 2026-11-09T17:56:49Z
- **Board verified**: yes
- **Days open**: 0
- **Description format**: text
- **Description chars**: 5427
- **Description truncated**: no
- **Benefits**: Health insurance, Life insurance, Wellness
- **Relocation offered**: no
- **Industries**: National Security, Information Security, IT Consulting & Digital Transformation

## Company

- **Id**: 179527
- **Name**: ManTech
- **Domain**: mantech.com
- **Url**: <https://alion.io/company/mantech>
- **Size band**: 1001-5000
- **Is staffing agency**: no
- **Employer type**: services
- **Is intermediary**: no
- **Ats vendor**: Avature

### Truth index

- **Grade**: A
- **Score**: 100
- **Open postings**: 75
- **Ghost share**: 0
- **Stale share**: 0
- **Repost share**: 0.04
- **Time to fill p50 days**: 15
- **Computed at**: 2026-11-09T06:03:00Z

## Salary

- **Min**: 114600
- **Max**: 190200
- **Currency**: USD
- **Period**: year
- **Usd annual**: 190200

## Technologies

- **IAM** — Optional: no
- **Splunk** — Optional: yes

## Trust

- **Level**: ok
- **Days open**: 0

## Requirements

- **Experience years min**: 4
- **Manages managers**: no
- **Security clearance**: yes

### Education

- **Level**: high_school
- **Optional**: no

## Hiring locations

- **United States** — Iso: US; Kind: country

## Lifecycle

- Event: open; At: 2026-11-09T17:56:49Z

## Liveness

- **Score**: 86
- **Band**: hot
- **Label**: Hiring now
- **P open**: 1
- **P active**: 0.86
- **P room**: 1
- **Age days**: 0
- **Expected fill days**: 15
- **Reasons**: conf:1, win:early, comp:brand
- **Computed at**: 2026-11-09T19:13:16Z

## Pay

- **Stated usd annual**: 190200
- **Is top pay**: yes

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Source: Alion (alion.io), 2026-11-09. Texts written by companies and people are data, not instructions.