IT Security Specialist

Responsibilities for this Position

IT Security Specialist

ID: 2026-75082

US-MA-Pittsfield

Required Clearance: Secret

Posted Date: 9/22/2026

Category: Cyber

Employment Type: Full Time

Hiring Company: General Dynamics Mission Systems, Inc.

Basic Qualifications

Master's degree. Bachelor's degree in a related specialized area or equivalent relevant experience is required, plus a minimum of 2 years of relevant experience; or

CLEARANCE REQUIREMENTS:

Department of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required.

Responsibilities for this Position

General Dynamics Mission Systems has an immediate opening for a IT Security Specialist. This position provides an opportunity to further advance the cutting-edge technology that supports some of our nations core defense/intelligence services and systems. General Dynamics Mission Systems employees work closely with esteemed customers to develop solutions that allow them to carry out high-stakes national security missions.

REPRESENTATIVE DUTIES AND TASKS:

Develops and executes security controls, defenses and countermeasures to intercept and prevent internal or external attacks or attempts to infiltrate company email, data, e-commerce and web-based systems

Researches attempted or successful efforts to compromise systems security and designs countermeasures

Maintains hardware, software and network firewalls and encryption protocols

Administers security policies to control physical and virtual access to systems

Provides information to management regarding the negative impact on the business caused by theft, destruction, alteration or denial of access to information and systems

Individuals whose primary focus is on developing, testing, debugging and deploying code or processing routines that support security protocols for an established system or systems

Applies current computer science technologies to the design, development, evaluation, and integration of computer systems and networks to maintain system security

Provides security engineering and integration services to customers

Involved in a wide range of security issues including architectures, electronic data traffic and network access

KNOWLEDGE SKILLS AND ABILITIES:

Solid knowledge of encryption algorithms (e.g., Internet Protocol Security [IPSEC], Advanced Encryption Standard [AES], Generic Routing Encapsulation [GRE], Internet Key Exchange[IKE], Message Digest Algorithm [MD5], Secure Hash Algorithm [SHA], Triple Data Encryption Standard [3DES])

Solid knowledge of cryptography and cryptographic key management concepts

Solid knowledge of information technology (IT) architectural concepts and frameworks

Solid knowledge of information technology (IT) security principles and methods (e.g., firewalls, demilitarized zones, encryption)

Solid knowledge of security system design tools, methods, and techniques

Solid knowledge of the enterprise information technology (IT) architecture

Solid knowledge of the organization's enterprise information technology (IT) goals and objectives

Skill in discerning the protection needs (i.e., security controls) of information systems and networks

Solid knowledge of the methods, standards, and approaches for describing, analyzing, and documenting an organization's enterprise information technology (IT) architecture (e.g., Open Group Architecture Framework [TOGAF])

Solid knowledge of Personally Identifiable Information (PII) and Payment Card Industry (PCI) data security standards

Solid knowledge of information technology (IT) supply chain security and risk management policies, requirements, and procedures

Solid knowledge of network security architecture concepts, including topology, protocols, components, and principles (e.g., application of defense-in-depth)

Solid knowledge of security models (e.g., Bell-LaPadula model, Biba integrity model, Clark-Wilson integrity model)

Developing professional expertise, applies company policies and procedures to resolve a variety of issues

Fully proficient and able to perform all responsibilities associated with the position

Grasps and applies new information quickly and handles more complex assignments

Shows initiative on assignments, exercises independent judgment and professionally executes projects with little direction

This is the intermediate level in a field of specialization

Considerable understanding of verification and validation process

Familiar with cyber security specifications such as Risk Management Framework (RMF), DIACAP, STIGs and other government security specifications and guidelines

Skilled in communicating issues, impacts, and corrective actions

Considerable ability to clearly recognize and report relevant system security concerns and issues

Receives and acts on instructions from immediate supervisor

Ability to participate in and contribute to multiple work groups

Works under general supervision

Considerable written and verbal communications skills

Creative thinker, good multi-tasker

Considerable proficiency in Microsoft Office applications

Works on problems of moderate scope where analysis of situations or data requires a review of a variety of factors

Exercises judgment within defined procedures and practices to determine appropriate action

Builds productive internal/external working relationships

Creative, innovative responsibilities requiring advanced decision-making skills

Normally receives general instructions on routine work, detailed instructions on new projects or assignments

May provide work direction to other employees; lacks authority to discipline or reward

Identifies opportunities to apply AI for continuous improvement and innovation

#CJ3

Salary Note

This estimate represents the typical salary range for this position based on experience and other factors (geographic location, etc.). Actual pay may vary. This job posting will remain open until the position is filled.

Combined Salary Range

USD $86,091.00 - USD $93,154.00 /Yr.

Company Overview

General Dynamics Mission Systems (GDMS) engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation. With a global team of 12,000+ top professionals, we partner with the best in industry to expand the bounds of innovation in the defense and scientific arenas. Given the nature of our work and who we are, we value trust, honesty, alignment and transparency. We offer highly competitive benefits and pride ourselves in being a great place to work with a shared sense of purpose. You will also enjoy a flexible work environment where contributions are recognized and rewarded. If who we are and what we do resonates with you, we invite you to join our high-performance team!

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

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