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Cyber Systems Security Engineering Specialist

Lexington Park, MD, US • Posted 2 days ago • Updated 10 hours ago

Full Time

On-site

USD $100,000.00 - 170,000.00 per year

Fitment

Dice Job Match Score™

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Job Details

Skills

Security Operations
System Security
Documentation
Interfaces
SysML
Vulnerability Management
Collaboration
Reporting
Microsoft Windows
Hypervisor
Evaluation
Network
VPN Administration
Management
Linux
CentOS
Ubuntu
Authentication
VMware
Regulatory Compliance
Security Controls
DoD
System Administration
Cyber Security
Linux Administration
Red Hat Enterprise Linux
STIG
Vulnerability Scanning
Workflow
Enterprise Networks
Routing
Switches
VLAN
Firewall
Virtualization
VMware ESXi
VMware vSphere
Backup
Recovery
HBSS
GitLab
Continuous Integration
Continuous Delivery
Scripting
Python
Windows PowerShell
Ansible
RMF
Risk Management Framework
Government Contracts
Finance
SAP BASIS

Summary

MTSI Defense Services Division is seeking an experienced Cyber / Systems Security Engineering Specialist to support PMA-261 cyber engineering and platform/system security activities across 53 E/K program environments. The role blends hands-on technical administration/security operations with Systems Security Engineering (SSE) practices, supporting secure configurations, vulnerability management, compliance, and security documentation. Plus limited MBSE experience (ability to interpret interfaces and architecture intent from program models [SysML] and technical baselines).

Primary Responsibilities:

Execute cybersecurity compliance and engineering activities across lab, integration, and operational support environments (RDT&E and/or program networks as assigned).
Perform vulnerability management activities including ACAS scanning coordination, patching support, remediation tracking, and security posture reporting.
Apply DISA STIGs/SRGs for Windows, Linux, hypervisors, and network devices; support scripted evaluation where applicable.
Support secure network segmentation concepts (VLANs, trunking, routing boundaries), firewall policy implementation/validation, and VPN administration (as directed).
Administer and maintain Linux-based systems and services (RHEL/CentOS/Ubuntu), including directory integration and authentication controls where required.
Support virtualization platforms (VMware ESXi/vCenter) and backup/recovery practices; help ensure availability and configuration compliance.
Contribute to SSE/RMF-relevant artifacts and periodic submissions (plans, evidence, control implementations, scan outputs, POA&M support).
Read/interpret relevant architecture/interface products WBBB/RIBS-P to ensure security controls align with system boundaries and intended behavior.

Qualifications:

5+ years' experience in DoD/DoD-adjacent IT, system administration, and/or cybersecurity support
Strong Linux administration background (RHEL preferred) and demonstrated STIG implementation experience
Experience with ACAS vulnerability scanning and remediation workflows
Working knowledge of enterprise networking fundamentals (routing/switching, VLANs, firewall policy concepts)
Experience supporting virtualization (VMware ESXi/vSphere) and backup/recovery

Desired Skills:

HBSS/ePO client product experience
Familiarity with GitLab administration/secure CI/CD support in segmented environments
Basic scripting/automation (Python, PowerShell, Ansible)
Exposure to SSE/RMF processes and artifact preparation in program environments
Experience supporting classified spaces and handling procedures

The pay range for this position in is $100,000/year to $170,000/year; however, base pay offered may vary depending on established government contract ranges, job-related knowledge, skills, and experience, and other factors. MTSI also offers a full range of medical, financial, and other benefits, dependent on the position offered. Base pay information is based on market location. Applications will be accepted on an ongoing basis. This posting will be renewed periodically until the position is filled.

Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.

Dice Id: RTL041421
Position Id: 259636a1564c32e58960fd004a1f8c17
Posted 2 days ago

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