IT Site Administrator / ISSO

Attalon, Inc.

Philadelphia (Philadelphia County)

On-site

USD 80,000 - 120,000

Full time

14 days+
Application generator

A complete application in a minute — tailored resume and cover letter, ready to send.

Get past ATS filters

Job summary

Attalon, Inc. is seeking an IT Site Administrator / ISSO in Philadelphia, Pennsylvania. This critical role supports Aerospace & Defense operations by providing IT and cybersecurity oversight for classified environments. Responsibilities include ensuring compliance with stringent security standards, managing classified computing infrastructure, and providing day-to-day IT support. The ideal candidate will have at least 7 years of experience in IT, an AA degree, and the ability to obtain a DoD Secret Clearance. We offer a collaborative work environment with focus on security and technology operations.

Qualifications

  • U.S. Citizen and able to obtain and maintain a DoD Secret Clearance.
  • Minimum 7 years of experience in Information Technology.
  • Ability to manage multiple priorities and work independently.

Responsibilities

  • Serve as the site Information Systems Security Officer maintaining security posture for classified systems.
  • Ensure compliance with cybersecurity, NIST, and DOD regulations through audits.
  • Deploy, administer, and maintain site IT systems including servers and network infrastructure.

Skills

Installation, configuration, troubleshooting of computing systems
Knowledge of cybersecurity frameworks (CMMC, SOX, DFAR)
User account management
Experience with Windows desktop and server environments
Effective communication skills

Education

AA degree in Computer Technology or related field
BS degree in Information Systems or related field

Tools

Cisco networking tools
Cloud platforms (AWS, Azure, GCP)

Job description

IT Site Administrator / ISSO

Attalon, Inc. Philadelphia, Pennsylvania, United States

Attalon / Location Overview

This role supports our Philadelphia Aerospace & Defense operations, providing critical IT and cybersecurity oversight for classified environments. The position plays a key role in ensuring secure, compliant, and resilient technology operations across one or more West Region sites.

Information Systems Security Officer (ISSO) / Site IT Administrator

This position is responsible for the setup, management, and compliance of classified computing infrastructure, as well as day‑to‑day IT support for local business users. The role ensures classified systems meet stringent security standards, maintains compliance with DOD cybersecurity requirements, and provides hands‑on support for all site‑specific IT systems including networks, servers, telecom, and end‑user devices. Based in Philadelphia, this role also collaborates with regional A&D sites and Corporate IT to deliver secure, reliable technology solutions.

Responsibilities
  • Serve as the site Information Systems Security Officer (ISSO), maintaining the operational security posture for classified computing and network systems.
  • Ensure compliance with cybersecurity, NIST, CMMC, DFAR, and DOD regulations through audits, documentation, and continuous monitoring.
  • Develop and maintain system authorization documents, configuration baselines, vulnerability assessments, and investigation records.
  • Coordinate security efforts with the Facility Security Officer (FSO), Insider Threat Program Senior Official (ITPSO), and external DCMA Authorizing Officer.
  • Deploy, administer, maintain, and support site IT systems including servers, desktops/laptops, manufacturing equipment, network infrastructure, and telecom.
  • Provision new IT infrastructure to meet local business requirements and ensure secure system configuration, operation, and disposal.
  • Perform system administration including user account management, backups, patching, and recovery validation.
  • Provide desktop and manufacturing systems support including installation, configuration, troubleshooting, and lifecycle management.
  • Maintain accurate technical documentation including operating procedures, network diagrams, and configuration records.
  • Assist other A&D sites with support needs and collaborate with Corporate IT on global infrastructure services (WAN, VOIP, video, cloud platforms).
  • Maintain licensing compliance, asset inventory, vendor coordination, and software/hardware recommendations.
Minimum Qualifications
  • U.S. Citizen and able to obtain and maintain a DoD Secret Clearance.
  • AA degree in Computer Technology or related field, or certification from an accredited technical trade school.
  • Minimum 7 years of experience in Information Technology.
  • Experience with installation, configuration, troubleshooting, and maintenance of network, telecom, server, desktop, and manufacturing computing systems.
  • Knowledge of Windows desktop and server environments, Cisco networking, telecommunications tools, and network management systems.
  • Experience working with CMMC, SOX, and DFAR compliance frameworks.
  • Ability to manage multiple priorities, work independently, and communicate effectively with end‑users and leadership.
Preferred Qualifications
  • BS degree in Information Systems or related field.
  • Relevant certifications including A+, Network+, Microsoft MCSP, ITIL Foundations.
  • Completion of ISSM training as outlined by the Defense Counterintelligence and Security Agency A&A Process Manual.
  • Experience with cloud platforms such as AWS, Azure, or GCP.
  • Experience supporting IT systems within manufacturing environments and Aerospace & Defense organizations.

Attalon, Inc. is an equal opportunity/affirmative action employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.

This role involves access to technology, materials, software, or hardware subject to U.S. export control laws. Therefore, to be considered, candidates must be classified as a “U.S. Person” under applicable regulations or be eligible for authorization under a U.S. government export license.

Get your free, confidential resume review.

or drag and drop your file here.

Similar jobs

Similar jobs worth comparing

ISSO & Site IT Administrator - Secure IT Operations
ISSO & Site IT Administrator - Secure IT Operations

Attalon, Inc. • Philadelphia

On-site
USD 80,000 - 120,000
Senior Security Specialist
Senior Security Specialist

Atln • Philadelphia

Hybrid
USD 90,000 - 122,000
Senior Security Specialist
Senior Security Specialist

Attalon, Inc. • Philadelphia

On-site
USD 90,000 - 122,000
ISSO - Information Systems Security Officer
ISSO - Information Systems Security Officer

TECHFORGE Solutions • Dayton (OH)

On-site
USD 85,000 - 115,000
Information System Security Officer (ISSO)
Information System Security Officer (ISSO)

Open Systems Technologies Corporation • Maryland

On-site
USD 120,000 - 180,000
3 weeks paid time off
11 Federal Holidays
Medical and dental coverage
+2
Information System Security Officer (ISSO) – Top Secret Clearance | Philadelphia, PA
Information System Security Officer (ISSO) – Top Secret Clearance | Philadelphia, PA

Cambridge International Systems Inc • Philadelphia

On-site
USD 100,000 - 140,000
Medical, dental, vision, life insurance
401(k) immediate vesting and match
Paid time off
+2
Information System Security Officer ISSO
Information System Security Officer ISSO

Open Systems Technologies Corporation • Chantilly (VA)

On-site
USD 120,000 - 180,000
Information Systems Security Owner (ISSO)
Information Systems Security Owner (ISSO)

SIERTEK LTD • Hampton (VA)

On-site
USD 95,000 - 130,000
Information Systems Security Officer (ISSO) - FULLY CLEARED with POLYGAPH REQUIRED
Information Systems Security Officer (ISSO) - FULLY CLEARED with POLYGAPH REQUIRED

Constellation Technologies, Inc • Maryland

On-site
USD 140,000 - 250,000
Healthcare options with employer-paid
Dental insurance
Vision insurance
+6
Information System Security Officer (ISSO)
Information System Security Officer (ISSO)

Ara • Albuquerque (NM), Northern (KY)

On-site
USD 95,000 - 130,000