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Operational SYSTEM Engineer: TS​/SCI w​/FS Poly Security Clearance

Job in Chantilly, Fairfax County, Virginia, 20151, USA
Listing for: Inferno Systems
Full Time position
Listed on 2026-02-28
Job specializations:
  • Engineering
    Systems Engineer, Cybersecurity
Job Description & How to Apply Below
Position: OPERATIONAL SYSTEM ENGINEER: TS/SCI w/ FS Poly with Security Clearance
Operational Systems Engineer: TS/SCI with Full Scope Poly Inferno Systems
• Chantilly, VA APPLY NOW
View Company's Profile
Today
Top Secret/SCI
On-Site/Office
Senior (8+ yrs experience)
10% Travel
Full Scope Polygraph
IT - Software Operational Systems Developer:
Senior and Expert Levels

Location:

Chantilly, VA US Security Clearance Requirement: TS/SCI with Full Scope Polygraph Clearance Status:
Must be Current

JOB DESCRIPTION:

Inferno Systems is currently looking for a proactive and self-motivated individual to work as an Operational Systems Engineer. In this unique position, you will be working with operational elements to develop, plan and execute cyber operations using tools you help design, engineer and integrate. You should have at least 8 years of experience working as a developer in a major programming language such as C, C++, Golang, Java, JavaScript, Python and/or Rust.

You will be working with team members to develop operational plans, gaining approval to execute them, briefing options and risks, understanding technical aspects of plans and collaborating across other offices and/or the IC as necessary. BS degree must be in a technical discipline OR may substitute three years of sponsor-specific experience for BS degree. You will need to be agile in responding to shifting operational requirements, timelines and priorities, while also working in a tight-knit team environment where innovative ideas are encouraged.

You need to be able to evaluate code, understand systems design and architecture, coordinate multiple development efforts and integrate them as a part of a unified effort. You will help oversee tool development progress, assess development quality and proficiency and assess the skill level and attributes of different development teams.. You will be able to interface directly with customers and users while participating in all phases of the development lifecycle to drive forward the customer's mission.

REQUIRED SKILLS:

• Must have 8+ years of overall development experience in either a Windows or Linux environment.
• Be able to direct rapid prototyping based on quickly developing operational needs.

• Be a self-starter, proactively integrate with a diverse team and feel comfortable leading the creative process and engaging multiple stakeholders to help formulate a creative approach.
• Familiarity with/working knowledge of the design, development, deployment and maintenance of fully-functional software tools.

• Prior experience in penetration testing, red team operations, incident response or computer forensics.

• Previous overseas travel experience, including engaging with foreign partners.
• Assist in reviewing, defining, and clarifying operational requirements.
• Assist in researching, analyzing, and recommending complex technical operational approaches, processes/procedures, and equipment/systems.
• Identify technical and operational constraints and methodologies and relate alternative solutions and risks.

• Develop routine proposals incorporating appropriate technical and operational issues into a plan based on consensus.
• Ability to analyze the operational environment to identify appropriate equipment/systems required to meet operational needs.
• Devise new techniques by applying technical capabilities in innovative scenarios.
• Assess readiness of newly acquired systems to ensure operational requirements are met.
• Provide technical feedback to ongoing development activities. DESIRED SKILLS

• Understanding of computer networks and a familiarity with clandestine technical collection capabilities and field operations.
• Experience with wireless communications protocols and technologies, including cellular, Wifi and bluetooth

• Understanding of network devices such as routers, switches and firewalls

• Understanding of Anti-Virus vendors, IDS/IPS and VPNs.

• Understanding of penetration testing tools such as Metasploit, Canvas, Kismet and others

• Understanding of network assessment and analysis tools such as NMAP, Nessus and using Wireshark

• Understanding of cloud computing platforms such as AWS, Azure, GCP and others.

• Understanding of mobile phones and cellular network functions such as SMS,…
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