Full-Time

Information Systems Security Engineer

Junior

Posted on 9/17/2025

Deadline 1/12/27
AMERICAN SYSTEMS

AMERICAN SYSTEMS

1,001-5,000 employees

IT and engineering services for government

Compensation Overview

$77.6k - $129.6k/yr

Company Does Not Provide H1B Sponsorship

Stafford, VA, USA

In Person

Category
IT & Security (1)
Requirements
  • Bachelor’s degree from an accredited college or university in Computer Science or Information Management; Four (4) years of systems related experience or DoD 8570 Information Assurance Technical Level II qualifications may be substituted for a bachelor’s degree
  • Active Secret Clearance Required
  • Three (3) years of professional experience
  • At least two (2) years of experience in defining security programs or processes for the protection of sensitive or classified information
  • Sec+, or equivalent, required
  • Experience working in a team-oriented, collaborative environment
Responsibilities
  • Create authorization package records in Marine Corps Certification and Accreditation Support Tool (MCCAST) or Enterprise Mission Assurance Support Service (eMASS) for assigned systems
  • Support identification of the system type (IS, IT product, IT service) and any special considerations including multi-service/agency, joint, cross domain, data classification, tactical, space, etc., to support categorization
  • Support the determination of the appropriate Defense–in–Depth Functional Implementation Architecture (DFIA) defense level (DL), CYBERSAFE grade, and security categorization in accordance with (IAW) CNSSI 1253 for assigned systems
  • Support the generation of controls for assigned systems IAW the DFIA DL, CYBERSAFE grade, security categorization, and applicable overlays
  • Assess and document the security control set for assigned systems to determine the applicability and compliance of the individual controls within the security control set
  • Develop Cyber Security Strategy based on the security categorization for assigned systems
  • Develop Security Plan (SP) and Information System Continuous Monitoring (ISCM) strategy in MCCAST or eMASS for assigned systems
  • Support the Security Control Assessor (SCA) and Authorizing Official (AO) review of the security control set to address any feedback received during the review
  • Collaborate with the NSWC IHD ISSO and Security Control Validator (SCV) to develop the Security Assessment Plan (SAP)
  • Support the NSWC IHD ISSO in implementing and testing the security control set IAW the SAP. Documenting the pre-assessment results in a Plan of Actions and Milestones (POA&M) and Security Assessment Report (SAR).
  • Support the SCA and AO review of the pre-assessment POA&M and SAR to address any feedback received during the review
  • Assist the NSWC IHD ISSO in providing updates to the Security Validation POA&M to address open vulnerabilities that were verified by the SCV during the official security assessment
  • Support the NSWC IHD ISSO in completing, assembling, and submitting the Security Authorization Package (SAP) for the SCA and AO review and AO authorization
  • Support the SCA and AO review of the SAP to address feedback received during the review
  • Support the NSWC IHD ISSO in maintaining the security posture of assigned systems as identified in the ISCM Strategy
  • Support the NSWC IHD ISSO in planning and performing cyber security testing by continuously assessing the security posture of assigned systems
  • Assist with any security testing required as part of A&A self-assessments

AMERICAN SYSTEMS delivers information technology and engineering services to U.S. government clients as an employee-owned government contractor. It focuses on IT and enterprise services, software development, and systems engineering, with offerings such as legacy systems migration, mobile app development, and user experience design. The company operates primarily for federal agencies, including the Intelligence Community, by winning government contracts to support national security initiatives and mission-critical programs. Its employee-owned structure aligns workforce interests with company success, differentiating it from typical contractor firms by giving employees a stake in outcomes and accountability in delivering technical and engineering solutions to national security and IT needs.

Company Size

1,001-5,000

Company Stage

N/A

Total Funding

N/A

Headquarters

Chantilly, Virginia

Founded

1975

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Simplify's Take

What believers are saying

  • 2025 CMMC Level 2 perfect score strengthens CUI sales credibility.
  • ConnectGPT is in daily use, enabling governed AI workflow expansion.
  • Epsilon added 400 employees and managed IT capabilities without downtime.

What critics are saying

  • Federal contract concentration exposes revenue to recompetes and budget cuts.
  • Epsilon integration can disrupt identity, compliance, and delivery coordination.
  • AI misuse or cyber failure could damage trust with defense customers.

What makes AMERICAN SYSTEMS unique

  • 100% employee-owned since 2015, aligning incentives across 1,600 employee-owners.
  • Founded in 1975, it serves defense, intelligence, federal law enforcement, and healthcare.
  • End-to-end IT engineering spans design, security, integration, operations, and maintenance.

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Benefits

Health Insurance

Dental Insurance

Vision Insurance

Life Insurance

Disability Insurance

Paid Vacation

Paid Sick Leave

401(k) Retirement Plan

Professional Development Budget

Tuition Reimbursement

Company News

GlobeNewswire
Sep 8th, 2025
AMERICAN SYSTEMS Completes Acquisition of Epsilon, Inc.

CHANTILLY, Va., Sept. 08, 2025 (GLOBE NEWSWIRE) -- AMERICAN SYSTEMS, a leading provider of mission essential and information engineering services to federal customers, today announced the acquisition of Epsilon, Inc. (Epsilon), a managed IT and cybersecurity leader headquartered in Weaverville, NC. The acquisition will result in more than 400 new employees joining AMERICAN SYSTEMS, further increasing the company’s scale and capabilities.This transaction marks the largest acquisition in AMERICAN SYSTEMS’ 50-year history. The addition of Epsilon’s multi-tenant service delivery model, its broad geographical footprint, and its federal and commercial market expertise brings significant new capabilities and economies of scale to AMERICAN SYSTEMS. This expanded capability enables AMERICAN SYSTEMS to even better address the rapidly evolving needs of existing and new customers across sectors as the company partners with them to accelerate mission outcomes and increase efficiency."Acquisitions are an important element of our growth strategy, and we work hard to ensure that we select companies that are a good fit for us, both strategically and culturally,” said John Steckel, AMERICAN SYSTEMS’ President and CEO

WashingtonExec
Sep 8th, 2025
AMERICAN SYSTEMS Buys Epsilon

AMERICAN SYSTEMS buys Epsilon.

Washington Technology
Sep 2nd, 2025
Tech, finance and operations leadership moves across the market

He succeeds Brian Neely, who retired after two decades as American Systems' CIO.

WashingtonExec
Aug 26th, 2025
Srinivas Rautwar Named AMERICAN SYSTEMS CIO

AMERICAN SYSTEMS has promoted Srinivas Rautwar to chief information officer, effective Aug. 25.

WashingtonExec
Aug 24th, 2025
AMERICAN SYSTEMS Earns CMMC Level 2 Certification with Perfect Score

The certification strengthens AMERICAN SYSTEMS' ability to safeguard Controlled Unclassified Information and mitigate the risk of cyberattacks and data breaches.

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