368,634open jobs
9,437companies
50,578added this week
Browse all
Salary
$99k – $198k per year (Estimated)
Location
In office (Beavercreek)
Seniority
Senior · 8+ years exp
Employment
Full-Time
Overview
Company
Impact
Profile match
AtkinsRéalis (formerly SNC-Lavalin) is a global engineering, procurement, and project management enterprise headquartered in Montreal, Canada. The company provides end-to-end consulting, digital design, nuclear technology, and infrastructure solutions across major sectors including transportation, defense, clean energy, and mining.
If you like solving complex IT and security problems using your deep analytical skills, this is the opportunity for you! As a Senior Systems Security Engineer, you will lead the design and implementation of our security infrastructure. You will manage complex security projects, provide strategic direction for security practices, and mentor junior engineers.The Mission Solutions and Technologies (MST) business area provides affordable, turn-key command/control, communications, integrated ISR, force protection and security solutions worldwide. The MST team has a long legacy of supporting the Department of Defense, Department of Homeland Security, commercial and international customers with years of experience in platform operations, engineering and full lifecycle management across domains - air, land, sea, space and cyber.

Responsibilities:

  • Lead the design and implementation of secure IT infrastructure.
  • Perform advanced security monitoring and threat analysis.
  • Develop and enforce comprehensive security controls and protocols.
  • Research, evaluate, and recommend new security technologies.
  • Manage mandatory Information System (IS) patching, updating, and scanning based on vulnerabilities and threats or regulatory compliance.
  • Maintain the day-to-day security posture and continuous monitoring for systems under your purview.
  • Interface with company and customer staff at multiple levels and provide system security guidance.

Qualifications You Must Have:

  • Bachelor's degree in Systems Security, Network Engineering, Information Technology, or related discipline and typically 8 years of experience in IT security or a related field.
  • Relevant work experience as an ISSO, ISSE, Network Analyst/Administrator/Engineer, Systems Analyst/Administrator/Engineer, IT Analyst/Administrator, Software Engineer, etc., may substitute for required education.
  • Proficiency administering Linux and Windows operating systems.
  • Experience configuring and supporting Cisco or Juniper networking devices.
  • Experience supporting information systems within a classified environment.
  • Experience working with security control assessment and vulnerability scanning tools like Nessus and SCAP Compliance Checker.
  • Must be a US Citizen.
  • An active Top Secret U.S. Security Clearance with SCI eligibility is required for hire.
  • Understanding of cybersecurity principles, frameworks, and best practices.

Qualifications We Prefer:

  • Strong understanding of DoD Security Technical Implementation Guides (STIGs) and NIST Special Publications.
  • Professional certification such as ISSE CAP, CISSP, or CISM, but not required.
  • Additional security or audit certifications such as Security+, CISA, CASP+/SecurityX.
  • Platform-specific certifications such as MCSE, Linux-related certifications, and/or Cisco CCNP Security.
  • Experience with security tools, including firewalls, intrusion detection/prevention systems, and endpoint protection solutions.
  • Experience in the aerospace or defense industry.

Essential Functions:

  • Ability to work primarily at a computer for extended periods.
  • Capability to participate in on-call rotation for incident response.
  • Must be able to lift up to 25 lbs occasionally.
  • Ability to work in an office or hybrid environment.
  • Occasional travel may be required.

This posting will be open for application for a minimum of 5 days and may be extended based on business needs.

SNC offers annual incentive pay based upon performance that is commensurate with the level of the position.

SNC offers a generous benefit package, including medical, dental, and vision plans, 401(k) with 150% match up to 6%, life insurance, 3 weeks paid time off, tuition reimbursement, and more.

IMPORTANT NOTICE:

This position requires current/active Top Secret with SCI eligibility U.S. Security Clearance. U.S. Citizenship status is required as this position needs an active U.S. Security Clearance for employment. Non-U.S. Citizens may not be eligible to obtain a security clearance. The Department of Defense Consolidated Adjudications Facility (DoD CAF), a federal government agency, handles the adjudicative aspects of the security clearance eligibility process for industry applicants. Adjudicative factors which affect the outcome of the eligibility determination include, but are not limited to, allegiance to the U.S., foreign influence, foreign preference, criminal conduct, security violations and illegal drug use.

Learn more about the background check process for Security Clearances.

SNC is a global leader in aerospace and national security committed to moving the American Dream forward. We’re known and respected for our mission and execution focus, agility, and disruptive and rapid innovation. We provide leading edge technologies and transformative solutions that support our nation’s most critical security needs. If you are mission-focused, thrive in collaborative environments, and want to make our country stronger with state-of-the-art technologies that safeguard freedom, join our team!

SNC is an Equal Opportunity Employer committed to an environment free of discrimination. Employment decisions are made based on merit without regard to race, color, age, religion, sex, national origin, disability, status as a protected veteran or other characteristics protected by law.

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
368,634 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

Similar stack
Same company
Beavercreek
up to $37k per year (gross) • In office • Full-Time • 3+ years exp • Novosibirsk
Bash
PowerShell
Python
AI/ML
Red Teaming
DevOps
AWS
IAM
Cybersecurity
Least Privilege
Metasploit
MITRE ATT&CK
Nessus
Nmap
OpenVAS
Snort
Suricata
Wazuh
Management
Slack
Apply
$133k – $181k per year • Remote/Hybrid • Full-Time • 8+ years exp • Bachelor's Degree • Cooper
Bash
PowerShell
Python
DevOps
Ansible
Azure
Configuration Management
Docker
Kubernetes
OpenShift
Ubuntu
Windows Server
Cybersecurity
CIS Benchmarks
Defense in Depth
Nessus
Qualys Cloud Platform
Zero Trust
Apply
$143k – $184k per year • In office • Full-Time • 8+ years exp • Bachelor's Degree • Cooper
DevOps
Azure
IAM
Cybersecurity
FedRAMP
Microsoft Defender
Nessus
NIST 800-53
Apply
$24k – $58k per year (Estimated) • Remote/Hybrid • Contractor • Moscow
Bash
PowerShell
Python
DevOps
Kali Linux
SLI/SLO/SLA
Cybersecurity
BloodHound
GoPhish
MITRE ATT&CK
Nessus
OpenVAS
OWASP ZAP
Wazuh
Apply
In office • Internship • Indonesia
PowerShell
Python
AI/ML
Red Teaming
DevOps
Kubernetes
Cybersecurity
Burp Suite
Frida
MITRE ATT&CK
Nessus
OWASP Top 10
Apply
Software Engineer I 5 days ago
$82k – $113k per year • Remote/Hybrid • Full-Time • 2+ years exp • Bachelor's Degree • Englewood • Dayton • Plano
C++
JavaScript
Python
SQL
TypeScript
Apply
$94k – $130k per year • Remote/Hybrid • Full-Time • 2+ years exp • Bachelor's Degree • Englewood
C++
JavaScript
Node JS
Python
SQL
TypeScript
Node JS
Prisma
Databases
PostgreSQL
AI/ML
LLM
Frontend
React.js
DevOps
ArgoCD
Docker
GitOps
Helm
Kubernetes
Kustomize
Rest API
WebSockets
Apply
$132k – $254k per year (Estimated) • In office • Full-Time • 8+ years exp • Bachelor's Degree • Dayton
Management
Microsoft Project
Apply
$60k – $136k per year (Estimated) • In office • Full-Time • Bachelor's Degree • Plano
DevOps
CI/CD
GitLab CI
Jenkins
JFrog Artifactory
GitLab
Management
Jira
Apply
$79k – $154k per year (Estimated) • Remote/Hybrid • Full-Time • 2+ years exp • Bachelor's Degree • Plano
Apply
$100k – $225k per year (Estimated) • In office • Full-Time • Bachelor's Degree • Beavercreek
DevOps
AWS
Azure
VMWare
Apply
VDI Engineer 1 day ago
$103k – $231k per year (Estimated) • In office • Full-Time • Bachelor's Degree • Beavercreek
DevOps
AWS
Azure
Platform Engineering
VMWare
Apply
$62k – $141k per year • In office • Full-Time • Bachelor's Degree • Beavercreek
Bash
C++
Fortran
MATLAB
PowerShell
Python
DevOps
CI/CD
Docker
Git
Kubernetes
Podman
GitHub
GitLab
Apply
DevOps Engineer 5 days ago
$62k – $141k per year • In office • Full-Time • 2+ years exp • Bachelor's Degree • Beavercreek
Bash
MATLAB
PowerShell
Python
DevOps
Amazon EC2
AWS
CI/CD
Docker
GitLab CI
Jenkins
Kubernetes
Podman
Splunk
Amazon ECS
API Gateway
GitLab
Cybersecurity
Fortify
Nessus
SonarQube
Management
Confluence
Jira
Apply
$62k – $141k per year • In office • Full-Time • Bachelor's Degree • Beavercreek
C++
MATLAB
Python
Apply
See all jobs
This is one of many
368,634 more open roles from verified company boards, updated every day.