senior network security engineer Jobs in district of columbia

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Information Systems Security Manager (ISSM) 2 - TS/SCI w/Poly

Jacobs

Fort Meade, Maryland, USA

Full-time

Your Impact: We are seeking an Information Systems Security Manager (ISSM) 2 for a prime contract that is based out of our Columbia, MD office. Responsibilities: Provide management support for a program, organization, system, or enclave's Information Assurance program. Provide management support for proposing, coordinating, implementing, and enforcing Information System Security policies, standards, and methodologies. Manage operational security posture for an Information System or program to

IT Subject Matter Expert - Technical & Security Lead

MetaPhase Consulting

Washington, District of Columbia, USA

Full-time

Description At MetaPhase, we believe Quirky is Cool and being authentic is the only way to be! We take the work we do very seriously and do a lot of important mission-focused work for our clients. We are individuals with different passions and strengths who take as much joy in the work we do as from those we work with. Today, we have a team that is invested in creating new solutions that lean forward, challenge the status quo, but also reflect our intimate knowledge of our customers' business.

IT Security Analyst

Cayuse Holdings, LLC

Arlington, Virginia, USA

Full-time

Overview The IT Security Analyst is responsible for implementing and enforcing information systems security policies, standards, and methodologies and assist with preparation and maintenance of documentation. Assist in the evaluation of security solutions to ensure they meet security requirements for processing classified information. Assist the ISSO on information system security software, hardware, and firmware. Maintain records on workstations, servers, routers, firewalls, intelligent hubs ,

Information Assurance and Security Specialist

Sakesh

Washington, District of Columbia, USA

Contract

Job Description: Information Assurance and Security Specialist - Master Location: DMV Region (Washington D.C., Maryland, Virginia) Position Type: Contract (Hybrid - Onsite 3x/week in the near future) Must Haves 16+ years of experience developing, maintaining, and recommending enhancements to Information Security (IS) policies/requirements.16+ years of experience performing vulnerability/risk analyses of computer systems and applications.16+ years of experience identifying, reporting, and resolv

Site Security Analyst

Leidos

Chantilly, Virginia, USA

Full-time

Description Job Description We are seeking a detail-oriented and proactive Security Analyst to join our team. The Security Analyst will play a vital role in safeguarding classified information and ensuring strict adherence to established security procedures and federal regulations. The successful candidate will support the enforcement of security Standard Operating Procedures (SOPs), collaborate with government site security personnel, and oversee the protection and management of sensitive and

Program Security Officer - Clearance Required

SAIC

Chantilly, Virginia, USA

Full-time

Job ID: 2507076 Location: CHANTILLY, VA, US Date Posted: 2025-07-22 Category: Security Subcategory: Security Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: TS/SCI with Poly Potential for Remote Work: No Description Who We Are and What We Do: SAIC Security professionals support a collective of over 24,000 employees extending across 20 countries. Our employees are our core, bolstered by 15,000 clearances

Splunk Systems Engineer - TS/SCI w/Poly

General Dynamics

Annapolis, Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Enterprise Technologies, SIEM Tools, Splunk (Inactive) Certifications: None Experience: 2 + years of related experience ship Required: Yes Job Description: SIEM Team - Splunk Systems Engineer Deliver simple solutions to complex proble

IAM Systems Administrator Onsite Fort Meade, MD Active Security Clearance

SmoothStack

Fort Meade, Maryland, USA

Full-time

Interviewing/Hiring NOW IAM Systems Administrator Onsite Fort Meade, MD Full Time/Perm/$Salary + Benefits Active Security Clearance Required! System Administration support for development and production environments for an Identity and Access Management (IdAM) system

Configuration Manager Onsite Fort Meade, MD Active Security Clearance

SmoothStack

Fort Meade, Maryland, USA

Full-time

Interviewing/Hiring NOW Configuration Manager Onsite Fort Meade, MD Full Time/Perm/$Salary + Benefits Active Security Clearance Required! Develops hardware and software version control processes, policies and procedures and ensures that they are followed on hardware and software development projects

Information Systems Security Officer Level 2

General Dynamics

Annapolis, Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Information Security Job Qualifications: Skills: Computer Security, Information System Security, Security Information, Security Requirements, System Security Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Provides support for a

Industrial Security Representative (CPSO)

Leidos

Alexandria, Virginia, USA

Full-time

Description The Digital Modernization Group at Leidos is seeking an Industrial Security Representative (ISR)/Contractor Program Security Officer (CPSO) supporting work for the Defense Threat Reduction Agency (DTRA) in Alexandria, VA. The position will be a part of the Leidos DoD Enterprise IT Modernization (DEIM) Security Team in the application of Leidos security standards and practices to existing US government facilities identified by the contract. The ISR/CPSO is responsible for safeguardin

Information Systems Security Officer

ManTech

Maryland, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Information Systems Security Officer (ISSO) to join our team in Hanover, MD Responsibilities Included but are not limited to:Ensures that the appropriate operational security posture is maintained for an Information System, or IS. Develop and update System Security Plans (SSP's). Manages and controls changes to the system and assesses the security impact of those changes. Incorporates and/or implements the Risk Management Framework (RMF) d

Cyber Security Operations Manager

Viasat, Inc.

Remote

Full-time

About us One team. Global challenges. Infinite opportunities. At Viasat, we're on a mission to deliver connections with the capacity to change the world. For more than 35 years, Viasat has helped shape how consumers, businesses, governments and militaries around the globe communicate. We're looking for people who think big, act fearlessly, and create an inclusive environment that drives positive impact to join our team. What you'll do Become a leader in our mission to connect the world securel

Information System Security Officer 2

Realm One

Annapolis, Maryland, USA

Full-time

ORANGE you glad that you chose RealmOne? RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We do this by offering exceptional benefits, flexible schedules, and the tools necessary to achieve success through paid training, mentoring, and the opportunity to work alongside top-notch security professionals. Join us on this journey as we execute t

Information System Security Officer 3

Realm One

Annapolis, Maryland, USA

Full-time

ORANGE you glad that you chose RealmOne? RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We do this by offering exceptional benefits, flexible schedules, and the tools necessary to achieve success through paid training, mentoring, and the opportunity to work alongside top-notch security professionals. Join us on this journey as we execute t

SAP NS2 Intel Security and Governance, Risk & Compliance (GRC) Consultant- Onsite - Chantilly, VA

SAP Americas, Inc.

Herndon, Virginia, USA

Full-time

We help the world run better At SAP, we enable you to bring out your best. Our company culture is focused on collaboration and a shared passion to help the world run better. How? We focus every day on building the foundation for tomorrow and creating a workplace that embraces differences, values flexibility, and is aligned to our purpose-driven and future-focused work. We offer a highly collaborative, caring team environment with a strong focus on learning and development, recognition for your i

Security Analyst

SAIC

Arlington, Virginia, USA

Full-time

Job ID: 2507505 Location: ARLINGTON, VA, US Date Posted: 2025-07-14 Category: Security Subcategory: Security Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is seeking a Security Analyst with an active TS/SCI clearance to provide general administrative support to the Office of the Under Secretary of Defense for Research and Engineering (OUSD(R&E)). This position

Security Analyst 2

ManTech

Chantilly, Virginia, USA

Full-time

Currently, ManTech is seeking a motivated, career and customer-oriented Security Analyst 2 to join our team in the Chantilly, VA area. Responsibilities include, but are not limited to: Fingerprinting NRO personnel and collecting and inputting biographical dataUploading and submitting fingerprints into the system of recordTaking the initiative, conducting work-arounds when needed, and making necessary decisions to ensure progress is made reach goalsUsing multiple NRO, DOD, and IC databases inclu

Security Analyst 2

ManTech

Chantilly, Virginia, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Security Analyst 2 to join our team in the Chantilly, VA area. Responsibilities include, but are not limited to: Fingerprinting NRO personnel and collecting and inputting biographical dataUploading and submitting fingerprints into the system of recordTaking the initiative, conducting work-arounds when needed, and making necessary decisions to ensure progress is made reach goalsUsing multiple NRO, DOD, and IC databases including, but not li

Information Security Specialist

Swift

Manassas, Virginia, USA

Full-time

ABOUT US We're the world's leading provider of secure financial messaging services, headquartered in Belgium. We are the way the world moves value - across borders, through cities and overseas. No other organisation can address the scale, precision, pace and trust that this demands, and we're proud to support the global economy. We're unique too. We were established to find a better way for the global financial community to move value - a reliable, safe and secure approach that the community can