Demo

Information System Security Engineer (ISSE) III

StratasCorp
Philadelphia, PA Full Time
POSTED ON 11/25/2025
AVAILABLE BEFORE 1/25/2026
At StratasCorp, our mission strives to put employees first while still being recognized as a leader in the Department of Defense Information Technology sector. We believe in a continuing pursuit of customer satisfaction and operational excellence while exceling in service innovation. We are looking for employees who value corporate culture, leadership, diversity, and commitment to quality, because we are #TeamStratas.
Location
Philadelphia (PNBC) - Philadelphia, PA US (Primary)
Category
Information Technology
Job Description

Our team has an immediate need for an Information System Security Engineer (ISSE) III. The Information System Security Engineer (ISSE) will assist with the developing, maintaining, and tracking Risk Management Framework (RMF) system security plans which include System Categorization Forms, Platform Information Technology (PIT) Determination Checklists, Assess Only (AO) Determination Checklists, Implementation Plans, System Level Continuous Monitoring (SLCM) Strategies, System Level Policies, Hardware Lists, Software List, System Diagrams, Privacy Impact Assessments (PIA), and Plans of Action and Milestones (POA&M). The contractor shall provide cybersecurity support for the Code 104 Information Technology Operations Division in the area of Information System Security Engineer (ISSE) support. These duties include, but are not limited to:

* Assessment & Authorization (A&A)
* Cybersecurity Compliance and Audit Readiness
* Information Assurance Vulnerability Management (IAVM)
* Vulnerability Scanning and Remediation
* Application and Implementation of Security Technical Implementation Guides (STIGs) and Security Requirements Guide (SRGs)

Primary responsibilities Include:

* Execute the RMF process in support of obtaining and maintaining Interim Authority to Test (IATT), AO approval, Authorization to Operate (ATO), and Denial of Authorization to Operate (DATO)
* Identify and tailor IT and CS security control baselines based on RMF guidelines and categorization of the RMF boundary. Perform Ports, Protocols, and Services Management (PPSM). Perform IT and CS vulnerability-level risk assessments
* Execute security control testing as required by a risk assessment or annual security review (ASR)
* Mitigate and remediate IT and CS system level vulnerabilities for all assets within the boundary per STIG requirements
* Develop and maintain Plans of Actions and Milestones (POA&M) in Enterprise Mission Assurance Support Service (eMASS)

Job Requirements

* Seven (7) years professional experience capturing and refining information security operational and security requirements, and ensuring those requirements are properly addressed through purposeful architecting, design, development, and configuration; and implementing security controls, configuration changes, software/hardware updates/patches, vulnerability scanning, and securing configurations
* Bachelor's degree in computer science, information technology, or an equivalent technical degree from an accredited college or university
* IAT-III certification (any of the following): * CASP CE * CCNP Security * CISA * CISSP (or Associate) * JGCED * GCIH * CCSP)

Security Clearance
Secret
Job Type
Full-time
StratasCorp provides a complete compensation package with competitive wages and benefits that include medical, dental, and vision insurance, FSA & HSA accounts, disability and other income protection benefits, life insurance, paid personal time-off benefits, paid holidays, and a 401K Saving Plan with a company matching contribution.
StratasCorp is committed to equal opportunity in employment, actively seeking to build a diverse and talented workforce, including individuals with disabilities and protected veterans.

StratasCorp is a private corporation established in the Commonwealth of Virginia, is an Equal Employment Opportunity and Affirmative Action employer. This commitment affirms StratasCorp policy to provide equal employment opportunity in accordance with all applicable Equal Employment Opportunity/Affirmative Action laws, directives and regulations to all employees and qualified applicants without regard to race, ethnicity, color, religion, national origin, sex, age, disability status, pregnancy, sexual orientation, gender identity, genetic information, protected veteran status, or any other protected status under Federal, State or Local law.

 

Salary.com Estimation for Information System Security Engineer (ISSE) III in Philadelphia, PA
$103,316 to $126,485
If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Information System Security Engineer (ISSE) III?

Sign up to receive alerts about other jobs on the Information System Security Engineer (ISSE) III career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$139,945 - $168,577
Income Estimation: 
$164,835 - $201,088
Income Estimation: 
$135,994 - $168,063
Income Estimation: 
$161,209 - $233,553
Income Estimation: 
$77,991 - $108,747
Income Estimation: 
$111,725 - $147,313
Income Estimation: 
$112,673 - $137,290
Income Estimation: 
$140,233 - $181,029
Income Estimation: 
$161,209 - $233,553
Income Estimation: 
$70,462 - $84,818
Income Estimation: 
$77,991 - $108,747
Income Estimation: 
$87,093 - $107,335
Income Estimation: 
$140,233 - $181,029
Income Estimation: 
$161,209 - $233,553
Income Estimation: 
$112,673 - $137,290
Income Estimation: 
$139,945 - $168,577
Income Estimation: 
$140,233 - $181,029
Income Estimation: 
$161,209 - $233,553
Income Estimation: 
$111,725 - $147,313
Income Estimation: 
$139,945 - $168,577
Income Estimation: 
$140,233 - $181,029
Income Estimation: 
$161,209 - $233,553
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Not the job you're looking for? Here are some other Information System Security Engineer (ISSE) III jobs in the Philadelphia, PA area that may be a better fit.

  • Centuria Philadelphia, PA
  • Job Title: Information System Security Engineer (ISSE) III Location: Philadelphia, PA Clearance: Secret Company/ Program Description: Centuria, a Service-D... more
  • 1 Month Ago

  • Client Server Software Solutions Philadelphia, PA
  • ROLE: Information System Security Engineer (ISSE) III REQUIRED: Active, final Secret with immediate eligibility for a favorable /T5 investigation 4-yr STEM... more
  • 14 Days Ago

AI Assistant is available now!

Feel free to start your new journey!